Major Holley was best known for using the Slam Stewart trademark of singing along with his bowed bass solos, although he sang in unison while Stewart vocalized an octave above his bass. Otherwise, Major Holley (known as "Mule") was a fine supportive bassist. He originally played violin and tuba, but switched to bass while playing in Navy bands. He played with Dexter Gordon, Charlie Parker, and Ella Fitzgerald in the mid- to late '40s, and in 1950 did a series of duet recordings (never reissued) with Oscar Peterson. After a period working for the BBC in England, he toured with ...