CHARLESTON, W.Va. -- German violinist Korbinian Altenberger joins the West Virginia Symphony Orchestra this weekend for its symphonic series concerts at 8 p.m. Friday and Saturday at the Clay Center. He will perform Beethoven's Concerto for Violin in D Major, Op. 61; the symphony will also perform Beethoven's Symphony No. 3 in E-flat Major, Op. 55, also known as "Eroica." At 7 p.m. each night, Maestro Grant Cooper will host Preludes, a conversation on the evening's music. Tickets are $24, $37, $53 and $65 for adults and $12 for students. Call 304-561-3570 or visit www.wvsymphony.org.