Lyricist half of the greatest songwriting team of early rock and roll, maybe never topped by anyone but Lennon and McCartney. "Hound Dog", "On Broadway", "Stand By Me", "Poison Ivy", "Yakety Yak", "There Goes My Baby", "Kansas City", "Jailhouse Rock", "Ruby Baby", and many more.
There's an episode of What's My Line where Leiber and Stoller were the guests; the panel were horribly condescending about rock and roll music--they were asked if they would ever consider trying to write some "serious music"--and they handled themselves very well.
The CEO of Universal says the reason the record industry never bothered in online music was because no one knew how to do it. http://nymag.com/daily/entertainment/2007/11/universal_music_ceo_doug_morris.