American Legion Post 1218, 133 Dixon Ave. Amityville, will have a Sunday Afternoon Jazz Concert Series performance featuring the Roberto Tyson Trio with a guest artist, Sun., March 28, 3 to 5:30 p.m. For musicians who would like to sit in, a jam session is scheduled from 5:30 to 6:30 p.m. The cost is $10 and the event is open to the public. The Post will have different guest jazz artists performing the last Sunday of each month. For more information, call 631-842-3360 or visit www.post1218.org.