Can I save a tempo adjusted track as a new file? 09 May 2019 11:21 Updated No. The tempo adjustment can only be applied ‘live’ to a track as it plays back. Related articles Can I play though an album or playlist? What can the Perfect Tempo app for Apple Watch do? What is the range of tempo adjustment? Can I transpose a song into a different key? How can I load songs I have stored on Dropbox?