- Source: Op. 1
- Story Op.1
- Piano Trios, Op. 1 (Beethoven)
- Story Op.2
- Level 1 dakedo Unique Skill de Saikyō desu
- Op art
- Op-ed
- Takt Op
- Co-op City, Bronx
- Bergen op Zoom
- Op, Nunkolo, Timor Tengah Selatan
- Op. 1
- Teenage Engineering OP-1
- Story Op.1
- Piano Trios, Op. 1 (Beethoven)
- Jonghyun
- Pitcairn OP-1
- List of compositions by Fanny Mendelssohn
- Zwei Gesänge, Op. 1 (Schoenberg)
- List of compositions by Felix Mendelssohn
- Minute Waltz
In music, Op. 1 stands for Opus number 1. Compositions that are assigned this number include:
Bach – Partitas for keyboard
Bartók – Rhapsody
Beethoven – Piano Trios, Op. 1
Berg – Piano Sonata
Brahms – Piano Sonata No. 1
Chopin – Rondo in C minor
Clara Schumann – 4 Polonaises
Clifford – Symphony in E-flat
Dvořák – String Quintet No. 1 in A minor
Elgar – Romance for violin
Goeyvaerts – Sonata for Two Pianos
Mendelssohn – Piano Quartet No. 1
Michael Haydn – Symphony No. 27
Michael Haydn – Symphony No. 28
Michael Haydn – Symphony No. 29
Mozart – Violin Sonata No. 18
Mozart – Violin Sonata No. 19
Mozart – Violin Sonata No. 20
Prokofiev – Piano Sonata No. 1
Rachmaninoff – Piano Concerto No. 1
Schönberg – Zwei Gesänge
Schubert – Erlkönig
Schumann – Variations on the name "Abegg"
Shostakovich - Scherzo in F-sharp minor
Sibelius – Five Christmas Songs, collection of art songs (1897–1913)
Stamitz – Trios, Op. 1
J. Strauss I – Täuberln-Walzer
J. Strauss II – Sinngedichte
Stravinsky – Symphony in E-flat
Sullivan – The Tempest
Tchaikovsky – Scherzo à la russe
Turina – Piano Quintet
Vivaldi – Twelve Trio Sonatas, Op. 1
Waterhouse – String Sextet
Webern – Passacaglia for orchestra
See also
OP1 (disambiguation)