No specific info about version 4.1. Please visit the main page of Pitch Switch on Mac Informer.
Change the speed of your song without altering its pitch.
TwistedWave is the ideal tool for: audio files recording.
Helps you learn, transcribe or practice songs by changing tempo and pitch.
TuneSmith - Feed your artistic fire with the essential songwriting companion.
Music-practicing application that lets you manipulate audio passages to help you learn them more efficiently.