Record and change your music with effects. Play your favourite MP3 Songs and changes the playback speed (tempo) and key (pitch) of your music. Slow down and speed up audio making it sound funny - Change speed, tempo, pitch of your song and voice - Audio Mp3 Music Changer, voice effect recorder Let's start fun with Voice - Mp3 Music Changer If you have any additional comments or suggestions for changes ? Send an e-mail to [email protected]