Conductor Earl Lee leads the A2SO in a program highlighted by Aaron Copland’s poignant high lonesome Appalachian Spring Suite, with its open chords, spare textures, and folk song influences. Also, charismatic guest solo violinist Amaryn Olmeda anchors a performance of Samuel Barber’s Violin Concerto. A world premiere of renowned German American Samuel Adler’s To Life!, and Tchaikovsky’s graceful, haunting final work, Symphony No. 6 (“Pathétique”), close the program. Preceded at 2 p.m. by a talk. 3 p.m., Hill Auditorium. Tickets $15–$115 (youths & students, $13–$24) in advance only at a2so.com. (734) 994–4801.