"BACH, JOHANN SEBASTIAN |f [componist]" . . "145730" . . . . . . "129649" . . . "150256" . "129794" . "11572" . "Fughetta's, toetsinstrument, BWV 961, c kl.t." . "101510 11572 129642 129649 129789 129794 145730 150256 158190 91112 BACH, JOHANN SEBASTIAN |f [componist] Fughetta's, toetsinstrument, BWV 961, c kl.t." . "91112" . "101510" . . "91112" . "Fughetta's, toetsinstrument, BWV 961, c kl.t." . "158190" . . "129789" . . "129642" . .