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As an arranger, Wallarab is featured on dozens of recordings and has written for many artists including Wynton Marsalis, the Lincoln Center Jazz Orchestra, Bobby Short, The New York Pops Orchestra, The Chicago Jazz Ensemble, Charlie Haden, Med Flory, Randy Brecker, Joe Lovano, and many others.
Owl Studios announced its arrival with the signing of six of Indianapolis' most notable jazz musicians and groups: tenor saxophonist Rob Dixon, soulful vocalist Cynthia Layne, trumpet player Derrick Gardner, pianist and composer Steve Allee, clarinet and saxophonist Frank Glover, and the Busselli-Wallarab Jazz Orchestra.