What "Rockabilly" did Moore play on? Are you SERIOUS Bruce?...Just to name a few of the estimated 18,000 sessions (not songs) Moore played on include...
Battle Of New Orleans & North To Alaska (johnny Horton)
Break It To Me Gently & Rockin Around The Christman Tree (Brenda Lee)
Crying, Dream Baby, Only The Lonely (Roy Orbison)
All Shook Up, Teddy Bear, Return To Sender, Stuck On You (Elvis)
El Paso, Devil Woman (Marty Robbins)
He'll Have To Go (Jim Reeves)
Big John (Jimmy Dean)
King Of The Road, Chug A Lug (Roger Miller)
Crazy, I Fall To Pieces, Walkin After Midnight (Patsy Cline)
You could go on and on, but you still have not mentioned one rockabilly record that moore played on. Elvis on RCA is not rockabilly and neither are any of these other records you've listed. Not only that, but all of these are long after Black created rockabilly bass playing in the spring of 1954.
I could go on and on...Moore recorded and toured with Rockabilly legends like Jerry Lee Lewis, Ronnie Hawkins, Johnny Burnette, Johnny Horton, earning Moore a spot in the "Rockabilly Hall Of Fame". He even replaced Rockabilly legend Dorsey Burnette in the famed Rock&Roll Trio.
The Rockabilly hall of fame has nothing to do with rockabilly, unless you think Clarence Frogman Henry was rockabilly, he's in there too. It's a bogus organization started by a nice old guy who wanted to honor some old musicians and wasn't allowed to use the name rock and roll hall of fame.