Stanislaw Skrowaczewski conducted the St. Louis Symphony in concerts February 3 and 4 in Powell Hall in a program including Weber's Oberon Overture, Mendelssohn's Violin Concerto in E minor, Op. 64 with St. Louis Symphony concertmaster David Halen as soloist, and Schubert's Symphony No. 9 in C major, D. 944, The Great.