Fortnite Jam Tracks will be usable as Lobby Music according to a new leak Jam Tracks are mostly used in Fortnite Festival, a new game mode added at the beginning of Chapter 5.

Fortnite will soon grant these Music Packs to everyone for FREE, and they will be useable in the Fortnite Festival mode.If you own them already, you have received V-Bucks refunds. pic.twitter.com ...