Sound player?

KSP (KSP Sound Player or Kalliope Sound Player) is a free audio player for Windows which is developed and distributed by Kalliope s.c. Company. KSP previously was called KMP from Kalliope MediaPlayer but during the development process Kalliope s.c. resigned from any form of video player embedded into it’s product and KSP started it’s slowly journey from media to audio player.