06/20/2005 at 01:00 AM EDT
JASON MRAZ returns in catchy, laid-back style with "Wordplay," the tongue-in-cheek first single from Mr.A-Z, the singer-songwriter's new album due July 26, at iTunes.com.
DMX, with his trademark growl, cranks up the party vibe on "Pump Ya Fist," a hard-driving preview of the gangsta rapper's upcoming CD Here We Go Again, at aolmusic.com.
KAREN O, leader of indie rockers the Yeah Yeah Yeahs, shows her softer side with an ethereal solo turn on the airy "Hello Tomorrow," at iTunes.
JOSS STONE (right) belts out a seductive version of the Ray Charles classic "The Right Time," as heard on the British singer's recent Gap commercial, at iTunes.