To get started, select a playlist you want to add transitions to or build a new one. As you set up your custom mixes, Spotify suggests blending tracks from the same or similar genres and tempos. The app will also provide the Camelot key and BPM data for each song to make it easier for you to blend your mix.

Spotify is giving music lovers more control over their playlists by expanding its tools with a new feature that allows Premium subscribers to add and

Spotify's new playlist tool allows you to adjust multiple parameters, or match tempo and key, to blend tracks smoothly.