Flex (Drop 40) feat. Dee 1 is the 4th track on Heavy is the Head,
an album from Thi'sl.
It was released on Aug. 14, 2015 along with 16 other tracks.
A few more of the best tracks are
The Come Up,
Pull Up (Beating),
It's All Good feat. Ashthon Jones,
Yesterday feat. Scarface and Theresa Payne,
Cadillac Riding feat. Bhird,
Brother performed by Courtney Orlando.