Williams, 1949–52 Symphony No. 7 (Villa-Lobos) (Odysséia da paz) by Heitor Villa-Lobos, 1945 Symphony No. 7 (Williamson) by Malcolm Williamson, 1984 Other uses 7th Symphony (album) by Apocalyptica, 2010 See also Symphony No. 7a (Mozart) in G major (K. Anh. 221/45a Old Lambach) probably by Wolfgang Amadeus Mozart, 1766–67 007