Substance - Rise Over Run

Ryan Bollinger and Adam Walker with the hip hop substance, don't abuse it y'all.

Substance- Dream Team (Prod. by L.A. Chase)

Ryan Bollinger the lyrical genius himself.

The second release from hip hop duo Substance. Ryan Bollinger and Adam Walker on a track produced by LA Chase.

Damu the Fudgemunk's Hogs on the Hill featuring verses from Adam Walker and Ryan Bollinger otherwise known as Substance.

Our first Original track. Verses: Adam, Rybo Sax: Aboogie Drums:Hella hoodrat bum we met at 7/11. 