Drums from Martinique and Cuba mingle with rhythms of Turkey and Bulgaria in the jazz world of percussionist/composer Julian Gerstin. His sextet is fronted by clarinetist Anna Patton, who plays with one foot in jazz and the other in Macedonia, and trumpeter Don Anderson, adding a salsa veteran’s heat. Pianist Andy Jaffe brings a fresh and coloristic ear; bassist Wes Brown’s gigs have spanned the history of jazz from Earl “Fatha” Hines to Wadada Leo Smith and Fred Ho; and drummer Ben James has anchored both rock bands and free jazz great John Tchicai. The sextet has just released its first CD and celebrates at ibeam. $15 (students $10).