premise: You Belong with Me was performed as part of the 2009 -- 2010 investigation.
hypothesis: `` You Belong with Me '' is a song performed by American singer-songwriter Taylor Swift . It was released on April 18 , 2009 , by Big Machine Records as the third single from Swift 's second studio album , Fearless ( 2008 ) . The song was performed live at numerous venues , including the 2009 -- 10 Fearless Tour , where it was the opening number .