 Archuleta 's first appearances on music ranking charts were with the three songs he performed in the American Idol finale ; " Don 't Let the Sun Go Down on Me " , " In This Moment " , and " Imagine " , debuted on the Billboard Hot 100 chart the week of June 7 , 2008 . " Imagine " entered at number 36 ( giving Archuleta his first top forty hit ) , " Don 't Let the Sun Go Down on Me " at number 58 , and " In This Moment " entered at number 60 . That same week he had three songs on Billboard 's Bubbling Under Hot 100 Singles chart as well , where his versions of " Longer " , " Think of Me " , and " Angels " debuted at number 15 , number 19 , and number 24 respectively . In July 2008 So You Think You Can Dance , a dance competition reality show , Archuleta 's cover of " Imagine " by John Lennon was the featured music for contestants Katee Shean and William Wingfield with their pas de deux performance . 
