"Ich bitt dich, ich bitt dich, schreib mir die Es Scala auf," canon in three voices, WoO 172. Manuscript with Beethoven's autograph inscription to Vincenz Hauschka, 1 leaf (1 p.), oblong (9.3 x 25 cm.), ink, inscribed "Canone a tre voci dedicato al signor illustrissimo Hauschka del servo suo L.v. Beethoven" at top, ca. 1818.