Who?: George Caldwell, piano; Bobby Militello, saxophone; Tim Clarke, trumpet; Cameron Kayne, contrabass; Darryl Washington, drums.

What?: The real deal – bebop, post-bop, standards, Real Book tunes, cool jazz.

Why?: Caldwell is a fully tenured jazz piano legend who has served with the Count Basie Orchestra, the Duke Ellington Orchestra, as a sideman extraordinaire, and as leader of his own ensembles. Renowned as performer, composer, band leader and teacher, Caldwell presided over the ivory 88s for the Basie Orchestra when the group won a “Best Large Jazz Ensemble Performance” Grammy in 1996. He’s one of the pre-eminent swing players in modern jazz.

What’s next?: A concert at 6 p.m. Sunday in the Sportsmen’s Tavern (326 Amherst St.).

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– Jeff Miers