18-year-old Brooklyn rap phenomenon Joey Bada$$ drops a new track for all of us to jam along with, “Amethyst Rockstar” which features lyrical work from fellow Pro Era member Kirk Knight. The track features production from hip hop cult leader MF DOOM. Getting all artsy on us, the track takes it name from Saul Williams’ Rick Rubin-produced album, Amethyst Rock Star. Joey will be releasing his Summer Knights mixtape on July 1. Listen below.