Key and Tempo Change Software

Software that can permanently change the key and/or tempo of karaoke songs without affecting lyric synchronization.

Karaoke Sound Tools 2 is a very user friendly program for processing karaoke audio. It has the ability to change the key and/or tempo of a BIN or MP3+G song while simultaneously keeping the lyrics synchronized.

Karaoke Surgeon is a new software application for working with karaoke audio and video files. It is used to change the key and/or tempo of files that contain lyrics while maintaining the synchronization of audio and lyrics.