Mandolin 1796: Sonatine WoO 43a; Adagio ma non troppo WoO 43b; Sonatine WoO 44a and Andante con Variazioni WoO 44b. The opera "Don Giovanni" by Mozart (1787) includes mandolin parts, including the accompaniment to the famous aria "Deh vieni alla finestra", and Verdi's opera Otello calls for guzla accompaniment in the aria "Dove guardi splendono raggi", but the part is commonly performed on mandolin. Gustav Mahler used the mandolin in his Symphony No. 7, Symphony No. 8 and Das Lied von der Erde. Parts for mandolin are included in works by Schoenberg (Variations op. 31), Stravinsky (Agon), Prokofiev (Romeo and Juliet)
Mandolin or more pairs of strings) to create sustained notes or chords. The mandolin's paired strings facilitate this technique: the plectrum (pick) strikes each of a pair of strings alternately, providing a more full and continuous sound than a single string would. Various design variations and amplification techniques have been used to make mandolins comparable in volume with louder instruments and orchestras, including the creation of mandolin-banjo hybrid with the louder banjo, adding metal resonators (most notably by Dobro and the National String Instrument Corporation) to make a resonator mandolin, and amplifying electric mandolins through amplifiers. A variety of different tunings