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George Colligan seems so elated to finally be a full-time N.Y.C. jazz musician that on his latest date as a leader, the pianist simply takes a ringside seat while his bandmates duke it out. The feisty point-counterpoint between trumpeter/flugelhornist Ingrid Jenson and tenor saxophonist Mark Turner is one of The Newcomer’s greatest spectacles. But rather than joining his horn players’ cage match, Colligan acts more like a coach—say, Classy Freddie Blassy—than a wrestler, as he yells out encouragement with choppy blocks of chords and some harmonically tough tunes. But this weekend, Colligan gets into fighting shape by stripping down to a trio with bassist Drew Gress and drummer Billy Hart. The ex-Baltimorian lets his notes fly at 8:30 & 10:30 p.m. tonight & tomorrow at the Willard Hotel’s Nest Lounge, 1401 Pennsylvania Ave. NW. $14. (202) 628-9100. (CP)