Monday, July 11, 1955 : Elvis Presley last significant Sun session results in the single "Mystery Tain"/"I Forgot To Remember To Forget" (Sun 223, August). "Tryin' To Get To You" will not see a Sun release and is first issued on Elvis's first LP ("Elvis Presley", RCA LPM 1254, March 1956). Personnel : Elvis Presley (vocals, guitar) ; Scotty Moore (guitar) ; Bill Black (bass) ; Johnny Bernero (drums). Produced by Sam Phillips in Memphis