[1] Before joining Evans, he worked with the Al Cohn-Zoot Sims Quintet, Red Allen, Gary McFarland, Steve Kuhn, and Gábor Szabó.
[1] Peter Pettinger, a biographer of Evans, called Morell "an unsung stalwart of piano trio history":[3] [H]e had been responsible for an exceedingly tight unit that could swing and drive relentlessly.
At the same time, on ballads, he never failed to provide a listening cushion of the utmost delicacy, seeming to imbue his drums with the ability to breathe of their own volition, and always in expressive union with his leader.Some of the important albums he recorded with Evans include The Bill Evans Album, The Tokyo Concert, Since We Met, and Symbiosis.
[4] He has played on jingles and films and has worked with Don Sebesky, Stan Getz, Kenny Wheeler, and Claus Ogerman.
[1] He has taught drums and percussion at the University of Central Florida[6] and has recorded with The Jazz Professors, a band consisting of university faculty members: saxophonist Jeff Rupert, bassist Richard Drexler, pianist Per Danielsson, trombonist Michael Wilkinson, and guitarist Bobby Koelble.