gminor Two-flat key Key of Mozart's 40th symphony Key related to B-flat major Key of much of Verdi's "Requiem" Key of Mozart's Symphony No. 25 Key of Mozart's Symphony No. 25 or 40 Key of Saint-SaГ«ns's "Danse macabre" Key with two flats Key of Mozart's Symphony No. 40 Key of Saint-Saëns's "Danse macabre"