A baroque ensemble, featuring oboist Allan Vogel, violinist Beth Baker, flutist Janice Tipton and other chamber musicians, will perform at 7:30 p.m. Monday, June 24, at the Unitarian Fellowship, 87 Fourth St., Ashland. The concert is part of the Oregon Bach Festival. Two sets of J.S. Bach’s arias will be presented, among other compositions. Advance tickets cost $21 and can be purchased at Paddington Station, online at www.tickets.uoregon.edu or by calling 541-346-4363. Tickets will cost $28 at the door; $10 for students.