 " You Belong with Me " is a pop song with a length of three minutes and 52 seconds . According to Kate Kiefer of Paste magazine , it is " a straight @-@ up pop song . " The song is set in common time and has a moderate tempo of 130 beats per minute . It is written in the key of F ♯ major and Swift 's vocals spans a little below two octaves , from F # 3 to C # 5 . Swift hints at her country music background in the banjo @-@ inflected introduction of the song . Leah Greenblatt of Entertainment Weekly felt Swift 's vocals were light and twangy while the melody was " lilting " . It follows the chord progression F ♯ – C ♯ – G ♯ -B . The instrumentation consists of clucking banjos alongside new wave electric guitars . 
