Traffic Jams launches next week.

Spotify has announced a new webseries in the spirit of Carpool Karaoke that will challenge rappers and producers to create a new song in the time of a car ride.

As a Spotify blog post explains, Traffic Jams will place a different rapper and producer into an SUV driving through LA traffic. At the end of the ride, the pair will be let off in front of “hundreds of fans”

The show kicks off April 4 with T-Pain and 808 Mafia don Southside and will feature D.R.A.M., Joey Bada$$, E-40 and more over its 12-episode run. Comedian DoBoy will serve as the host and driver on the show.

Southside is probably a good choice to kick off the show. Revisit his excellent Against The Clock below.