myMPD uses stickers to save statistics and votes of songs.

STICKER DESCRIPTION
playCount How often the song was played (1)
skipCount How often the song was skipped
like 0 - dislike, 1 - neutral, 2 - like
lastPlayed last played time of song (unix timestamp)
lastSkipped last skipped time of songs (unix timestamp)

playCount is updated:

  • The song must be longer than 10 seconds
  • And the song has been played for at least half its duration, or for 4 minutes (whichever occurs earlier.)

skipCount is updated:

  • The song has been played for at least 10 seconds