The AC3 Festival shows that.
"A3C (all 3 coasts) festival is the preeminent hip-hop festival in the US. Founded in 2005, A3C has grown from a regional showcase to an internationally celebrated cultural experience including music, education, art, film, style, pro-audio and more."Pittsburgh's "delegation"
The Come Up Boys
Beedie Ground Up
Goldsmith (Formerly Crystal Seth)