It's all words, Richard. The Inkspots weren't really rhythm and blues, but they were probably the single greatest influence on rhythm and blues groups to follow, from the high tenor lead to the rumbling bass. The "Doo-wop" groups were all part of rhythm and blues through the 60's. I don't know who invented the term "Doo-Wop" but it was much after the fact. Most rhythm and blues groups also did "Jump tunes" which rocked out as much as Etta James. James Brown and Ike and Tina Turner seem to span the terms "rhythm and blues" and "soul music." In the 50's and 60's when I bought a lot of rhythm and blues, the groups were considered as much a part of the music as anyone else.

Jerry