Ubuntu Manpage: mpd - This module provides MPD status such as currently playing artist/album/song

Name	Type	Description
state	string	One of offline, stopped, paused or playing
repeat	bool	True if the repeat flag is set
random	bool	True if the random flag is set
consume	bool	True if the consume flag is set
volume	range	Volume of MPD in percentage
album	string	Currently playing album (also valid in paused state)
artist	string	Artist of currently playing song (also valid in paused state)
title	string	Title of currently playing song (also valid in paused state)
file	string	Filename or URL of currently playing song (also valid in paused state)
pos	string	%M:%S-formatted string describing the song's current position (also see elapsed)
end	string	%M:%S-formatted string describing the song's total length (also see duration)
elapsed	realtime	Position in currently playing song, in milliseconds. Can be used with a progress-bar particle.
duration	int	Length of currently playing song, in milliseconds

Name	Type	Req	Description
host	string	yes	Hostname/IP/unix-socket to connect to
port	int	no	TCP port to connect to

bar:
  left:
    - mpd:
        host: /run/mpd/socket
        content:
          string: {text: "{artist} - {album} - {title} ({end})"}

mpd