At the moment, this feature is only available on BandLab Web. Here's how to change the speed and pitch of your audio tracks:
- Open your project in the Mix Editor
- Select the audio region you’d like to edit
- Click on the Editor button at the bottom-left of the screen
- Click on + Icon to increase or - Icon to decrease the pitch and playback rate of the audio region
- Click on Reverse to reverse the waveform of the selected audio region