Who's Your A & R?By: Omar Grant Behind every superstarfrom Rihanna to Justin Bieber, SZA to Post Malonetheres an A&R executive shaping their sound, vision, and career. This is the definitive inside story of the people behind the music. The greatest music artists of the past centurythose whove shaped the industry and moved millions, from the Motown era to the digital streaming agemay never have been heard without one crucial figure: the A&R. These are the people who