The singer and songwriter Frank Ocean, whose first full-length studio album, Channel Orange, was released on iTunes this week. Nabil Elderkin/Courtesy of the artist hide caption

itoggle caption Nabil Elderkin/Courtesy of the artist

Clockwise from upper left: Sarah Jaffe, Hot Chip, Bobby Womack, Dirty Projectors. Courtesy of the artists hide caption

itoggle caption Courtesy of the artists