THU 24 Jeanette Harris The jazz saxophonist plays tunes from her latest record, “Summer Rain.” 6 p.m. Blue Dolphin, 1166 Route 3, Gambrills. 410-721-9081. www.theashleighgroup.com. $20. Comfort Zone An outdoor concert of smooth jazz and R&B. 6:30-8:30 p.m. The Boulevard at the Capital Centre, 900 Capital Centre Blvd., Largo. 301-324-0514.