The latest installment in Clams' flagship mixtape series has arrived. Clams Casino has released Instrumentals 4, the latest installment of his flagship mixta. Uncle beat on Ferg Forever was dope. I didn't know it was clams. 1. Instrumentals consists of Clams Casino's reconstructions of backing tracks he originally produced for rappers such as Lil B and Soulja Boy. Released : March 7. Featuring two all-new songs and instrumental versions of tracks by Danny Brown and Vince Staples. CLAMS CASINO INSTRUMENTAL MIXTAPE 4: Album Review: Calvin Harris – Funk Wav Bounces Vol. 1 B+.