At a conference late last year, Ek revealed that there were 39,000 active playlists named "Shower."
But what songs are these people listening to in the shower?
Business Insider reached out to Spotify at the time to find out which songs go best with suds. Spotify's data team crunched the numbers for us, and came up with a playlist of the top 20 songs from users' shower mixes.
These are 20 jams people love to play in the shower.