Don't Doubt is the 4th track on The Ingenius,
an album from Mouthpi3ce.
It was released on May 4, 2009 along with 12 other tracks.
A few more of the best tracks are
Run it Back,
From the A,
Listen feat. John Mayer,
How We Raised the World,
Playing My Song,
Take It From Me feat. Erica Cumbo,
I Won't Lose.