* Authentication related modules.

* Defines modules for search features such as autocomplete, youtube & soundcloud * based music search *

* This controller manages what to be played next.

* Player Controller. * This controller is responsible for user's interactions.

* Player Manager APIs. * As player implementation varies by streaming sources, we need manager * to control multiple players in a single interface.

* Playlist object

* It binds user actions for playlist manipulation.

* Playlist filter. * * Find tracks by their name. * Callbacks should be provided as `function (filteredPlaylist)`.

* Playlist manager object.

* It binds user actions for tracks in playlist.

* Progress is in player and is responsible for * updating progress (when playing) and handling player's seek actions.

* Track object.

* User model.

A convenience hook for overriding how URLs are built.

This method is used to create session apart from `request`. NOTE that this session has empty device_id.

Delete a playlist.

Remove track from playlist.

Retrieve data of a single playlist.

This method blocks working thread while doing HTTP i/o XXX: Do not use this api in production env.

Polls result of async task with provided key.

Create a playlist.

Add track to playlist.

Register async task.

Change a name of the playlist.