How do I change the key and tempo of a song in Playback?

How do I change the key and tempo of a song in Playback? | MultiTracks.com Help CenterCopyright (c) 2023, Intercom, Inc. (legal@intercom.io) with Reserved Font Name "Lato". This Font Software is licensed under the SIL Open Font License, Version 1.1.Copyright (c) 2023, Intercom, Inc. (legal@intercom.io) with Reserved Font Name "Lato". This Font Software is licensed under the SIL Open Font License, Version 1.1.

ncG1vNJzZmiglaG9pLHNrZyrZp2qubW106uYnKOjY7CwuY6epWiZoqm2pLjErGZtbWJlg3aBjKGmsGWUpHqqecKhmKeflWLBqbGMpJyyZZGjsW7AxKanqGWfm3qiedKopaBlmaN6sbjAspmam5s%3D