Summer Jam is sure to pack plenty of suprises, but one secret is already out. 2 Chainz will premiere his new single at Sunday’s show.

The Atlanta rapper has announced plans to perform the first single from his sophomore album at Hot 97’s 20th anniversary concert at MetLife Stadium in East Rutherford, New Jersey.

“I WILL DEBUT MY NEW SINGLE FOR MY NEW ALBUM AT SUMMER JAM.. Fuk it I’m byke outchea, PS. I came and neva left,” tweeted 2 Chainz.

In addition to 2 Chainz, the hip-hop-heavy lineup includes performances from Kendrick Lamar, Chris Brown, Wu-Tang Clan, Wale, Miguel, A$AP Rocky, French Montana, and more.

The follow-up to 2 Chainz’ Grammy-nominated debut Based on a T.R.U. Story is due September 10.