Symphony No. 1 (Mozart) in the finale of his "Jupiter" symphony, No. 41. The four notes, Do, Re, Fa, Mi, make an appearance in several of Mozart's works, including his Symphony No. 33. This theme is stated by the horns in his first symphony. In his book on the Piano Concertos, Cuthbert Girdlestone pointed out the similarity between the opening of this symphony and that of Mozart’s Piano Concerto No. 22 K482, composed some twenty years later. Symphony No. 1 (Mozart) The Symphony No. 1 in E major, K. 16, was written in 1764 by Wolfgang Amadeus Mozart at the age of eight years.
Symphony No. 6 (Mahler) Symphony No. 6 (Mahler) Symphony No. 6 in A minor by Gustav Mahler is a symphony in four movements, composed in 1903 and 1904 (revised 1906; scoring repeatedly revised). Mahler conducted the work's first performance at the Saalbau concert hall in Essen on May 27, 1906. It is sometimes referred to by the nickname "Tragische" ("Tragic"). Mahler composed the symphony at what was apparently an exceptionally happy time in his life, as he had married Alma Schindler in 1902, and during the course of the work's composition his second daughter was born. This contrasts with the tragic, even nihilistic, ending