Sonny Rollins-Tenor Madness, Saxophone Colossus
Bill Evans-Portrait in Jazz (additional good titles from the early 60s)
Miles Davis-Kind of Blue
Dave Brubeck-Time Out
LOTS of other superb 50s jazz titles-too many to list
Peggy Lee-Black Coffee
Most RCA Living Stereo pressings, especially those by Fritz Reiner/Chicago SO
Buddy Holly-self titled (second album)
Ray Charles-The Genius of Ray Charles
Johnny Cash-With His Hot and Blue Guitar
There-that should keep you busy for awhile.