Last night I attended the first concert for this season’s Orpheus Chamber Orchestra series at Carnegie Hall.   The OCO, which operates without a conductor, performed nine of Johannes Brahms’s Liebeslieder Waltzes, originally written for vocal quartet and piano duo but orchestrated by the composer, a set of variations for piano and orchestra by jazzman Brad Mehldau, and Beethoven’s Eroica Symphony.  The juxtaposition of works on this program was a bit unfair to Mehldau, putting him … <Read More>