Symphony No. 63 was composed by which Austrian Classical composer?
Joseph Haydn (Franz) Joseph Haydn ( ; ] ; 31 March 173231 May 1809) was an Austrian composer of the Classical period. He was instrumental in the development of chamber music such as the piano trio and his contributions to musical form have earned him the epithets "Father of the Symphony" and "Father of the String Quartet".
Symphony No. 17 (Mozart) Symphony No. 17 in G major, K. 129, is the second of three symphonies completed by Wolfgang Amadeus Mozart in May 1772, when he was 16 years old, but some of its sections may have been written earlier.