Under the direction of conductor Harry Bicket, the Cleveland Orchestra offers a special program of Mozart tunes to celebrate Valentine's Day. Expect to hear Fantasia: Piece for Mechanical Clock, Exsultate, jubilate, Eine kleine Nachtmusik and Symphony No. 38 ("Prague"). Soprano Kiera Duffy will perform as well. Guest speaker Michael Strasser, a professor of musicology at the Baldwin Wallace University Conservatory of Music, will deliver the pre-concert talk. The concert begins at 7:30 tonight at Severance, where performances continue through Sunday. Consult the orchestra's website for more information. (Niesel)