A singer and songwriter who has enjoyed success in the public eye and behind the scenes, Priscilla Renea Hamilton -- known first as Priscilla Renea, and then as Muni Long -- went from making videos in her bedroom to becoming an accomplished songwriter and solo recording artist. The native Floridian developed a sizeable online following with videos showcasing her work. This led to a record deal and the release of her first album, a dance-pop effort titled Jukebox (2009), and then success as a co-writer of hits for Rihanna ("California King Bed"), Fifth Harmony ("Worth It"), and...