Op. 45

In music, Op. 45 stands for Opus number 45. Compositions that are assigned this number include:


 * Beach – Piano Concerto
 * Berkeley – A Dinner Engagement
 * Brahms – A German Requiem
 * Britten – The Little Sweep
 * Chopin – Prelude No. 25
 * Fauré – Piano Quartet No. 2
 * Grieg – Violin Sonata No. 3
 * Kabalevsky – Piano Sonata No. 2
 * Liebermann – The Picture of Dorian Gray
 * Madetoja – The Ostrobothnians (Pohjalaisia), opera in three acts (1924)
 * Mendelssohn – Cello Sonata No. 1
 * Rachmaninoff – Symphonic Dances
 * Rautavaara – Piano Concerto No. 1
 * Saint-Saëns – Le Déluge
 * Schumann – Romanzen & Balladen volume I (3 songs)
 * Sibelius – The Dryad (Dryadi), tone poem for orchestra (1910)
 * Tamberg – Cyrano de Bergerac
 * Tchaikovsky – Capriccio Italien