Every once in a while, when they cut to a scene showing the American Bandstand podium, most times it shows (incorrectly) "ab (in the same font as ABC's logo) '64". Whoops! Someone's hitting the stock footage library a little too hard.
Wild-assed guessing on my part that Trey (John Pryor III) was born in 1965 (which would make him (and me) 40 today).