Goggles Music Manager is a music collection manager and player that
automatically categorizes music files based on genre, artist, album,
and song. It supports gapless playback and features easy tag editing.

Features
* Supports Opus, Ogg Vorbis, FLAC, mp3 and mp4 (AAC and Apple Lossless)
* Gapless playback and Replay Gain support (Ogg Vorbis, Opus, FLAC and mp3 with APE tags).
* Support for cover art embedded in tag or as separate file on disk.
* Subscribe to Podcasts (rss) using the buildin podcast manager.
* Tag editing and powerfull file renaming capability.
* Filters / Smart Playlists
* Smart sorting with user configurable leading word filter to prevent sorting on common words like the, a or an.
* Support for play lists. Play lists may be played in a certain configurable order, or browsed through like the main music library.
* Import/Export music library and play lists to XSPF,PLS,Extended M3U,M3U and CSV.
* Clipboard & DND (drag-and-drop) support to arrange playlists and dragging to and from gnome / kde applications.
* Clean and fast database backend using SQLite 3.
* Last.fm and libre.fm audio scrobbler support.