The Institute of Contemporary Art/Boston (ICA) presents an extraordinary musical performance this fall on October 27. Australian singer/songwriter RY X (born Ry Cuming) will take center stage with his intimate, intuitive, and devotional songs composed with lush melodies and raw, emotional lyrics (8 PM; $20 general admission; $17 ICA members + students) in the Barbara Lee Family Foundation Theater at the ICA, 25 Harbor Shore Drive, Boston. Tickets can be purchased at www.icaboston.orgor by calling 617-478-3103.