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.

Select Premium users are now able to access a beta that allows you to experiment with mixing tools for transitions between tracks.

You've already got the perfect playlist, now Spotify lets you add and customize transitions between songs. On Tuesday, Spotify launched a beta version for Premium users to add song transitions. There's now a mix button in the playlist toolbar that lets you mix songs for a seamless transition.