Tonalité : As-Dur - Op.: 94 -. Par RHEINBERGER JOSEF GABRIEL. “We consider Rheinberger’s new Piano Concerto to be one of his most significant and inspired works, ” wrote a critic following the premiere in 1876 of this virtuoso Concerto op. 94, which enjoyed a spontaneous success in German centers of musical life./ Répertoire / 2 Flûtes Traversières, 2 Hautbois, 2 Clarinettes,