GQmpeg is a frontend to mpg123 with extensive themeability and playlist
support.

Features:
    - Extensive mpg123 option support.
    - Shuffle, repeat.
    - Shuffle and repeat preferences can be saved in each playlist.
    - Customizable skins, including winamp skin support.
    - A skin can contain an alternative face (shade mode for instance)
    - ID3 tag reading/writing support (v1)
    - Volume controls (can be connected to any available device)
    - Basic file management (move/copy/rename/delete)
    - Tab completion in most dialogs.
    - Presets for playlists.
    - Drag and drop support.
    - Shoutcast (http://server:port) support.