See also: 1862 in music, other events of 1863, 1864 in music and the list of 'years in music'.

Events

• Georges Bizet's opera, Les Pêcheurs de perles debuts at the Théâtre-Lyrique in Paris (September 30)
• Les Troyens, opera by Hector Berlioz, debuts, also at the Théâtre-Lyrique (November 4)

Popular music

• "All Quiet On The Potomac Tonight"     w.m. John Hill Hewitt
• "Just Before the Battle, Mother" by George F. Root
• "My Darling Clementine" by Percy Montrose & H S. Thompson
• "Sweet and Low" words by Alfred Tennyson, music by Joseph Barnby
• "Weeping Sad And Lonely" w. Charles Carroll Sawyer m. Henry Tucker
• "When Johnny Comes Marching Home Again" by Louis Lambert & Patrick Gilmore
• "You Are Going To The Wars, Willie Boy!"     w.m. John Hill Hewitt
• "The Young Volunteer"     w.m. John Hill Hewitt

Births

• March 20 - Ernesto Nazareth, composer, pianist
• June 2 - Felix von Weingartner, composer, conductor
• December 7 - Pietro Mascagni, composer

Deaths