A vari-speed cd player is a great way to control the sound of your music. It allows you to slow down or speed up the playback of a cd, which can be great for learning new songs or for practicing solos. Most vari-speed cd players also have a feature that allows you to change the pitch of the music, which can be great for tuning instruments or for teaching people how to sing.

Can any CD player play HDCD?

Yes, any CD player should be able to play HDCDs. However, the quality of the sound might not be as good …