sentences:  During the 1970s and 1980s, the festival specialized in musicians from the Francophonie and world music.The festival grew substantially during the last decade after its decision to diversify its music offering and go after international headliners from genres across the board, including rock music, punk, hip-hop, classical music, world music and electronic music.The festival reached the million spectators mark for the first time in 2007 and sold-out passes for the first time in 2010.