This is a list of musical compositions that employ extended techniques to obtain unusual sounds or instrumental timbres. Hector Berlioz "Dream of Witches' Sabbath" from Symphonie Fantastique. The violins and violas play col legno, striking the wood of their bows on the strings . Heinrich Ignaz Franz von Biber Battalia (1673). The strings play col legno, striking the wood of their bows on the strings, in addition to numerous other techniques . François-Adrien Boieldieu Le calife de Bagdad (opera, 1800), strings play col legno . Benjamin Britten Passacaglia from Peter Grimes, rehearsal 6, "agitato", (pp. 16–17 of the score). The violins and violas play col legno, striking the wood of their bows on the strings . John Cage prepared piano pieces (1938) Nicolas-Marie Dalayrac Une heure de mariage (opera, 1804). Strings use col legno . Pascal Dusapin Watt, concerto for trombone and orchestra (1994). Features "ample use of extended techniques" . Carlo Farina Capriccio stravagante (from Ander Theil newer Paduanen, Gagliarden, Couranten, französischen Arien, 1627). The violins play glissando, pizzicato, tremolo, and in double stops, and use particular effects such as col legno (striking the wood of the bow on the strings) and sul ponticello (bowing close to the bridge), in order to imitate the sounds of a cat, a dog, a hen, the lyre, clarino trumpet, military drum, Spanish guitar, etc. (; ). Tobias Hume "Harke, Harke", from First Part of Ayres (1605). The viol da gamba plays col legno, with the instruction "Drum this with the back of your Bow" (; ; ). Charles Ives Concord Sonata, use of a piece of wood to create a cluster chord in the "Hawthorne" movement . Helmut Lachenmann After TemA (1968), almost all works make extensive use of extended techniques . Gustav Mahler Symphony No. 1 in D major, third movement (p. 91 of the UE score) first violins, divisi a 3, play col legno tratto, stroking the strings with the wood of their bows . Symphony No. 2 in D major, first movement, bars 304–306, all the strings play col legno (some of the strings continue through 307), striking the wood of their bows on the strings . Camille Saint-Saëns Danse macabre, the strings play col legno to suggest the rattling of skeletons Arnold Schoenberg Gurrelieder (1911), makes use of Sprechstimme Die glückliche Hand (1910–1913), makes use of Sprechstimme Pierrot Lunaire Op. 21 (1912) makes use of Sprechstimme Moses und