Mike Free worked with the collaborator of what Compton-based rapper in his days at Hampton University?
Mike Free:  While attending Hampton University in Virginia, Free began working with DJ Mustard, who introduced him to Los Angeles- based artists including YG and Ty Dolla $ign. DJ Mustard:  He is a frequent collaborator of Compton-bred rapper YG, and has produced numerous singles for hip hop and R&B artists since his entrance into mainstream music in 2011.
YG