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? How do I repeat part of a song? What can the Perfect Tempo app for Apple Watch do? How can I load songs I have stored on Dropbox? Can I make discrete recordings on the Apple Watch with Just Press Record?