diff --git a/package.json b/package.json
index d8ccef4..cf4f549 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "lib/**/*"
   ],
   "scripts": {
-    "test": "cd test && node index.js",
+    "test": "yarn build && cd test && node index.js",
     "build": "tsc",
     "format": "prettier --write \"src/**/*.ts\"",
     "lint": "tslint -p tsconfig.json"
@@ -47,7 +47,7 @@
     "@discordjs/opus": "^0.5.0",
     "@types/node": "^14.14.37",
     "@types/ws": "^7.4.1",
-    "discord.js": "discordjs/discord.js",
+    "discord.js": "^12.5.3",
     "prettier": "^2.2.1",
     "tslint": "^6.1.3",
     "tslint-config-prettier": "^1.18.0",
diff --git a/src/Player.ts b/src/Player.ts
index a3baab8..20597f3 100644
--- a/src/Player.ts
+++ b/src/Player.ts
@@ -1,11 +1,10 @@
-import YouTube from 'youtube-sr';
 import { EventEmitter } from 'events';
 import { Client, Collection, Snowflake, Collector, Message } from 'discord.js';
-import { PlayerOptions } from './types/types';
+import { PlayerOptions, QueueFilters } from './types/types';
 import Util from './utils/Util';
 import AudioFilters from './utils/AudioFilters';
-import Queue from './Structures/Queue';
-import Track from './Structures/Track';
+import { Queue } from './Structures/Queue';
+import { Track } from './Structures/Track';
 import { PlayerErrorEventCodes, PlayerEvents } from './utils/Constants';
 import PlayerError from './utils/PlayerError';
 import ytdl from 'discord-ytdl-core';
@@ -17,7 +16,7 @@ import { Client as SoundCloudClient } from 'soundcloud-scraper';
 
 const SoundCloud = new SoundCloudClient();
 
-export default class Player extends EventEmitter {
+export class Player extends EventEmitter {
     public client!: Client;
     public options: PlayerOptions;
     public filters: typeof AudioFilters;
@@ -53,6 +52,9 @@ export default class Player extends EventEmitter {
          * Player queues
          */
         this.queues = new Collection();
+
+        this._resultsCollectors = new Collection();
+        this._cooldownsTimeout = new Collection();
     }
 
     static get AudioFilters() {
@@ -146,7 +148,7 @@ export default class Player extends EventEmitter {
         });
     }
 
-    async play(message: Message, query: string | Track, firstResult?: boolean) {
+    async play(message: Message, query: string | Track, firstResult?: boolean): Promise<void> {
         if (!message) throw new PlayerError('Play function needs message');
         if (!query) throw new PlayerError('Play function needs search query as a string or Player.Track object');
 
@@ -162,9 +164,9 @@ export default class Player extends EventEmitter {
         else {
             if (ytdl.validateURL(query)) {
                 const info = await ytdl.getBasicInfo(query).catch(() => {});
-                if (!info) return this.emit(PlayerEvents.NO_RESULTS, message, query);
+                if (!info) return void this.emit(PlayerEvents.NO_RESULTS, message, query);
                 if (info.videoDetails.isLiveContent && !this.options.enableLive)
-                    return this.emit(
+                    return void this.emit(
                         PlayerEvents.ERROR,
                         PlayerErrorEventCodes.LIVE_VIDEO,
                         message,
@@ -208,6 +210,28 @@ export default class Player extends EventEmitter {
         return this.queues.find((g) => g.guildID === message.guild.id);
     }
 
+    setFilters(message: Message, newFilters: QueueFilters): Promise<void> {
+        return new Promise((resolve) => {
+            const queue = this.queues.find((g) => g.guildID === message.guild.id);
+            if (!queue)
+                this.emit(
+                    PlayerEvents.ERROR,
+                    PlayerErrorEventCodes.NOT_PLAYING,
+                    message,
+                    new PlayerError('Not playing')
+                );
+
+            Object.keys(newFilters).forEach((filterName) => {
+                // @ts-ignore
+                queue.filters[filterName] = newFilters[filterName];
+            });
+
+            this._playStream(queue, true).then(() => {
+                resolve();
+            });
+        });
+    }
+
     private _addTrackToQueue(message: Message, track: Track) {
         const queue = this.getQueue(message);
         if (!queue)
@@ -246,7 +270,7 @@ export default class Player extends EventEmitter {
                     queue.tracks.push(track);
                     this.emit(PlayerEvents.QUEUE_CREATE, message, queue);
                     resolve(queue);
-                    // this._playTrack(queue, true)
+                    this._playTrack(queue, true);
                 })
                 .catch((err) => {
                     this.queues.delete(message.guild.id);
@@ -260,7 +284,7 @@ export default class Player extends EventEmitter {
         });
     }
 
-    private async _playTrack(queue: Queue, firstPlay: boolean) {
+    private async _playTrack(queue: Queue, firstPlay: boolean): Promise<void> {
         if (queue.stopped) return;
 
         if (queue.tracks.length === 1 && !queue.loopMode && !queue.repeatMode && !firstPlay) {
@@ -275,10 +299,10 @@ export default class Player extends EventEmitter {
             this.queues.delete(queue.guildID);
 
             if (queue.stopped) {
-                return this.emit(PlayerEvents.MUSIC_STOP, queue.firstMessage);
+                return void this.emit(PlayerEvents.MUSIC_STOP, queue.firstMessage);
             }
 
-            return this.emit(PlayerEvents.QUEUE_END, queue.firstMessage, queue);
+            return void this.emit(PlayerEvents.QUEUE_END, queue.firstMessage, queue);
         }
 
         if (!queue.repeatMode && !firstPlay) {
@@ -316,7 +340,7 @@ export default class Player extends EventEmitter {
                 }
             });
 
-            let encoderArgs: string[];
+            let encoderArgs: string[] = [];
             if (encoderArgsFilters.length < 1) {
                 encoderArgs = [];
             } else {
@@ -386,3 +410,5 @@ export default class Player extends EventEmitter {
         });
     }
 }
+
+export default Player;
diff --git a/src/Structures/Queue.ts b/src/Structures/Queue.ts
index 41a48ab..76294ed 100644
--- a/src/Structures/Queue.ts
+++ b/src/Structures/Queue.ts
@@ -1,11 +1,11 @@
 import { Message, Snowflake, VoiceConnection } from 'discord.js';
 import AudioFilters from '../utils/AudioFilters';
-import Player from '../Player';
+import { Player } from '../Player';
 import { EventEmitter } from 'events';
-import Track from './Track';
+import { Track } from './Track';
 import { QueueFilters } from '../types/types';
 
-export default class Queue extends EventEmitter {
+export class Queue extends EventEmitter {
     public player!: Player;
     public guildID: Snowflake;
     public voiceConnection?: VoiceConnection;
@@ -127,3 +127,5 @@ export default class Queue extends EventEmitter {
         return this.voiceConnection?.dispatcher?.streamTime + this.additionalStreamTime || 0;
     }
 }
+
+export default Queue;
diff --git a/src/Structures/Track.ts b/src/Structures/Track.ts
index b74bef0..c40b41d 100644
--- a/src/Structures/Track.ts
+++ b/src/Structures/Track.ts
@@ -1,8 +1,8 @@
-import Player from '../Player';
+import { Player } from '../Player';
 import { User } from 'discord.js';
 import { TrackData } from '../types/types';
 
-export default class Track {
+export class Track {
     public player!: Player;
     public title!: string;
     public description!: string;
@@ -67,3 +67,5 @@ export default class Track {
         return `${this.title} by ${this.author}`;
     }
 }
+
+export default Track;
diff --git a/src/index.ts b/src/index.ts
index e7420c2..1f75632 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,9 +1,9 @@
-export * as AudioFilters from './utils/AudioFilters';
+export { AudioFilters } from './utils/AudioFilters';
 export * as Constants from './utils/Constants';
-export * as Player from './Player';
-export * as Util from './utils/Util';
-export * as Track from './Structures/Track';
-export * as Queue from './Structures/Queue';
+export { Player } from './Player';
+export { Util } from './utils/Util';
+export { Track } from './Structures/Track';
+export { Queue } from './Structures/Queue';
 export * from './types/types';
-export * as PlayerError from './utils/PlayerError';
+export { PlayerError } from './utils/PlayerError';
 export { version } from '../package.json';
diff --git a/src/types/types.ts b/src/types/types.ts
index 69c5214..192c826 100644
--- a/src/types/types.ts
+++ b/src/types/types.ts
@@ -13,35 +13,7 @@ export interface PlayerOptions {
     useSafeSearch?: boolean;
 }
 
-export type FiltersName =
-    | 'bassboost'
-    | '8D'
-    | 'vaporwave'
-    | 'nightcore'
-    | 'phaser'
-    | 'tremolo'
-    | 'vibrato'
-    | 'reverse'
-    | 'treble'
-    | 'normalizer'
-    | 'surrounding'
-    | 'pulsator'
-    | 'subboost'
-    | 'karaoke'
-    | 'flanger'
-    | 'gate'
-    | 'haas'
-    | 'mcompand'
-    | 'mono'
-    | 'mstlr'
-    | 'mstrr'
-    | 'compressor'
-    | 'expander'
-    | 'softlimiter'
-    | 'chorus'
-    | 'chorus2d'
-    | 'chorus3d'
-    | 'fadein';
+export type FiltersName = keyof QueueFilters;
 
 export type TrackSource = 'soundcloud' | 'youtube' | 'arbitrary';
 
@@ -60,34 +32,34 @@ export interface TrackData {
 }
 
 export type QueueFilters = {
-    bassboost: boolean;
-    '8D': boolean;
-    vaporwave: boolean;
-    nightcore: boolean;
-    phaser: boolean;
-    tremolo: boolean;
-    vibrato: boolean;
-    reverse: boolean;
-    treble: boolean;
-    normalizer: boolean;
-    surrounding: boolean;
-    pulsator: boolean;
-    subboost: boolean;
-    karaoke: boolean;
-    flanger: boolean;
-    gate: boolean;
-    haas: boolean;
-    mcompand: boolean;
-    mono: boolean;
-    mstlr: boolean;
-    mstrr: boolean;
-    compressor: boolean;
-    expander: boolean;
-    softlimiter: boolean;
-    chorus: boolean;
-    chorus2d: boolean;
-    chorus3d: boolean;
-    fadein: boolean;
+    bassboost?: boolean;
+    '8D'?: boolean;
+    vaporwave?: boolean;
+    nightcore?: boolean;
+    phaser?: boolean;
+    tremolo?: boolean;
+    vibrato?: boolean;
+    reverse?: boolean;
+    treble?: boolean;
+    normalizer?: boolean;
+    surrounding?: boolean;
+    pulsator?: boolean;
+    subboost?: boolean;
+    karaoke?: boolean;
+    flanger?: boolean;
+    gate?: boolean;
+    haas?: boolean;
+    mcompand?: boolean;
+    mono?: boolean;
+    mstlr?: boolean;
+    mstrr?: boolean;
+    compressor?: boolean;
+    expander?: boolean;
+    softlimiter?: boolean;
+    chorus?: boolean;
+    chorus2d?: boolean;
+    chorus3d?: boolean;
+    fadein?: boolean;
 };
 
 export type QueryType =
diff --git a/src/utils/AudioFilters.ts b/src/utils/AudioFilters.ts
index 736e300..4c1fa3f 100644
--- a/src/utils/AudioFilters.ts
+++ b/src/utils/AudioFilters.ts
@@ -55,3 +55,4 @@ const FilterList = {
 };
 
 export default FilterList;
+export { FilterList as AudioFilters };
diff --git a/src/utils/PlayerError.ts b/src/utils/PlayerError.ts
index 32cd56a..c87e1f6 100644
--- a/src/utils/PlayerError.ts
+++ b/src/utils/PlayerError.ts
@@ -6,3 +6,5 @@ export default class PlayerError extends Error {
         Error.captureStackTrace(this);
     }
 }
+
+export { PlayerError };
diff --git a/src/utils/Util.ts b/src/utils/Util.ts
index 3e7bb19..87517b8 100644
--- a/src/utils/Util.ts
+++ b/src/utils/Util.ts
@@ -1,7 +1,7 @@
 import { PlayerOptions, QueryType } from '../types/types';
 import { FFmpeg } from 'prism-media';
 import YouTube from 'youtube-sr';
-import Track from '../Structures/Track';
+import { Track } from '../Structures/Track';
 // @ts-ignore
 import { validateURL as SoundcloudValidateURL } from 'soundcloud-scraper';
 
@@ -12,7 +12,7 @@ const vimeoRegex = /(http|https)?:\/\/(www\.|player\.)?vimeo\.com\/(?:channels\/
 const facebookRegex = /(https?:\/\/)(www\.|m\.)?(facebook|fb).com\/.*\/videos\/.*/;
 const reverbnationRegex = /https:\/\/(www.)?reverbnation.com\/(.+)\/song\/(.+)/;
 
-export default class Util {
+export class Util {
     constructor() {
         throw new Error(`The ${this.constructor.name} class is static and cannot be instantiated!`);
     }
@@ -127,3 +127,5 @@ export default class Util {
         });
     }
 }
+
+export default Util;
diff --git a/yarn.lock b/yarn.lock
index ab51860..e4eb2ac 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -300,17 +300,19 @@ discord-ytdl-core@^5.0.2:
   dependencies:
     prism-media "^1.2.7"
 
-discord.js@discordjs/discord.js:
-  version "12.5.0"
-  resolved "https://codeload.github.com/discordjs/discord.js/tar.gz/e848d25c86fcd4a11a7879f7dcd55d0bc93faa6d"
+discord.js@^12.5.3:
+  version "12.5.3"
+  resolved "https://registry.yarnpkg.com/discord.js/-/discord.js-12.5.3.tgz#56820d473c24320871df9ea0bbc6b462f21cf85c"
+  integrity sha512-D3nkOa/pCkNyn6jLZnAiJApw2N9XrIsXUAdThf01i7yrEuqUmDGc7/CexVWwEcgbQR97XQ+mcnqJpmJ/92B4Aw==
   dependencies:
     "@discordjs/collection" "^0.1.6"
     "@discordjs/form-data" "^3.0.1"
     abort-controller "^3.0.0"
     node-fetch "^2.6.1"
-    prism-media "^1.2.2"
+    prism-media "^1.2.9"
+    setimmediate "^1.0.5"
     tweetnacl "^1.0.3"
-    ws "^7.3.1"
+    ws "^7.4.4"
 
 dom-serializer@^1.0.1, dom-serializer@~1.2.0:
   version "1.2.0"
@@ -667,7 +669,7 @@ prettier@^2.2.1:
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.2.1.tgz#795a1a78dd52f073da0cd42b21f9c91381923ff5"
   integrity sha512-PqyhM2yCjg/oKkFPtTGUojv7gnZAoG80ttl45O6x2Ug/rMJw4wcc9k6aaf2hibP7BGVCCM33gZoGjyvt9mm16Q==
 
-prism-media@^1.2.2, prism-media@^1.2.7:
+prism-media@^1.2.7, prism-media@^1.2.9:
   version "1.2.9"
   resolved "https://registry.yarnpkg.com/prism-media/-/prism-media-1.2.9.tgz#8d4f97b36efdfc82483eb8d3db64020767866f36"
   integrity sha512-UHCYuqHipbTR1ZsXr5eg4JUmHER8Ss4YEb9Azn+9zzJ7/jlTtD1h0lc4g6tNx3eMlB8Mp6bfll0LPMAV4R6r3Q==
@@ -737,6 +739,11 @@ set-blocking@~2.0.0:
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
   integrity sha1-BF+XgtARrppoA93TgrJDkrPYkPc=
 
+setimmediate@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.5.tgz#290cbb232e306942d7d7ea9b83732ab7856f8285"
+  integrity sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU=
+
 signal-exit@^3.0.0:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.3.tgz#a1410c2edd8f077b08b4e253c8eacfcaf057461c"
@@ -898,7 +905,7 @@ wrappy@1:
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
   integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
 
-ws@^7.3.1:
+ws@^7.4.4:
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.4.tgz#383bc9742cb202292c9077ceab6f6047b17f2d59"
   integrity sha512-Qm8k8ojNQIMx7S+Zp8u/uHOx7Qazv3Yv4q68MiWWWOJhiwG5W3x7iqmRtJo8xxrciZUY4vRxUTJCKuRnF28ZZw==