Alternative R&B act the Weeknd -- a solo outlet for vocalist Abel Tesfaye -- surfaced in March 2011 with House of Balloons. A nine-track, 50-minute mixtape made available for free download on the Weeknd website, House of Balloons was based in morose ballads filled with drug references and sexual longing. Sonically, there were clear traces of radio-friendly contemporary R&B +á la Trey Songz, Jeremih, the-Dream, and Drake, while also appealing to listeners who favored left-of-center, production-over-songcraft exponents like Spacek and Sa-Ra. The mixtape, made by Tesfaye in colla...