Premise: Mariah Carey . The album became the best-selling album in the US and the second best-seller worldwide in 2005 and produced `` We Belong Together , '' which became her most successful single of the 2000s , and was later named `` Song of the Decade '' by Billboard . With the release of `` Touch My Body '' ( 2008 ) , Carey gained her 18th number-one single in the United States , more than any other solo artist .
Hypothesis: Mariah Carey released a song.
Label: ENTAILMENT