CBS Radio has agreed to share online streams from all 140 of its stations with AOL's online radio service.
According to an announcement posted to CBS's Web site,will now power AOL's Web radio. Financial terms were not released.
"CBS Radio will drive advertising sales for AOL's more than 200 award-winning stations," the companies said in the statement, "in addition to its own online streams of more than 150 radio stations and custom channels."
In the spring, CBS plans to release a new online music player that will allow audiences to toggle between stations, song titles, and album information.