i had that problem with blue berry um um.i listend to it like 3 times on our local rap station(kube 93.3) and then i finaly asked my sis for the number to the radio station, and finaly got threw, and talked to the hot DJ for about 5 minutes, flirting with her for a few minutes, trying to get her to come over to my plase, and she said i was to young, so i was like ok, and theni rembered y i was calling them, and sung them a line of it, and they told me it was blue berry umm umm by ludiacris