premise: House of Balloons is a mixtape.
hypothesis: House of Balloons is the debut mixtape by Canadian singer The Weeknd . The mixtape was also released on his official website . The contributions to the mixtape 's production came from Canadian record producers such as Doc McKinney , Zodiac and Illangelo , among others . Thursday (album) . It follows his critically acclaimed , Polaris Music Prize-nominated debut mixtape House of Balloons ( 2011 ) .