What means “GEMA-freie Musik”?

The term “GEMA-freie Musik” means completely royalty free music. The composer of  this music is not registered with a collecting society (ASCAP-free, BMI-free, PRS-free, SUISA-free, AKM-free, TONO-free, SIAE-free). The Proud Music Library contains more than 4,500 completely royalty free music for all media: e.g. web, movie, tv, advertising, on hold.