By Ivory Jeff Clinton Marisa Laudadio Jessica Herndon and RANDY VEST
Updated September 19, 2011 12:00 PM

>LEONA LEWIS joins forces with Avicii, a Swedish deejay/producer, on “Collide,” a dance-floor-ready tune from her upcoming album. $1.29 at

SCOTTY MCCREERY, the American Idol champ, previews his Oct. 4 debut Clear As Day with the ditty “The Trouble with Girls.” $1.29 at

JESSIE J, fresh off her gig with the house band at the MTV VMAs, will make you fall for the danceable “Domino.” $0.99

FLO RIDA cleverly samples Etta James on his latest party-starting jam “Good Feeling,” from his upcoming CD Only One Rida (Pt. 2). $1.29 at