The BISYOC Symphony Orchestra is made up of 85 to 100 players from at least 10 different countries. Some players come back year after year, but there are always vacancies for new players.

Orchestral Repertoire from Previous Courses
- Camille Saint-Saens, Danse Macabre
- Jean Sibelius, Karelia Suite
- Peter Sculthorpe, Kakadu
- Ralph Vaughan-Williams, Norfolk Rhapsody
- Percy Grainger, Shepherd’s Hey
- Johannes Brahms, Tragic Ouverture
- Steve Reich, The Four Sections: 4th movement
- Rimsky-Korsakov, Capriccio Espagnol
- Aaron Copland, Four Dance Episodes form Rodeo
- Joly Braga Santos, 3rd Symphonic Overture
- Gershwin, Rhapsody in Blue
- Holst, Mars and Jupiter from The Planets
- Alberto Ginastera, Ballet Suite Estancia
- Rossini, William Tell Overture
- Carl Vine, The Percussion Symphony
- Kodaly, Hary Janos Suite
- Mauricio Kagel, 10 Marches to Miss the Victory (for winds and percussion)
- Joaquin Rodrigo, Cinco Piezas Infantiles
- Holst, St. Paul’s Suite (strings)
- Joaquin Turina, Danzas Fantásticas
- Silvetre Revultas, Sensemaya
- Jose Moncayo, Huapanga
- Joe Zawinul (weather report), Birdland (arr. Skews)
- Shostakovitch, Festive Overture
- Franz Liszt, Piano Concerto No. 2
- Dvorak, Symphony No. 9 in E minor “From the New World”
- Erich Korngold, The sea Hawk
- James Saunders, Different ways to achieve equilibrium (world premiere)
- Frederick Delius, Brigg Fair, An English Rhapsody
- Elgar, Enigma Variations op. 36
- Haydn, Cello Concerto No. 1 in C major
- Arnold, Four Scottish Dances
- Bernstein, Symphonic Dances from West Side Story
- Adams, Short Ride in a Fast Machine
- John Williams, The Flight to Neverland from Hook
- György Ligeti, Dance Romanesc
- Jean Sibelius, Symphony No. 1 in E minor
- Michael Korb and Uli Roever, Highland Cathedral
- Gustav Mahler, Symphony No. 1
- Johann Strauss jnr., Overture Die Fledermaus
- John Hymas, Fanfare of BISYOC
- Holst, The Planets Op. 32
- Richard Strauss, Also Sprach Zarathustra
- Tchaikovsky, Romeo and Juliet Fantasy Overture
- Shostakovich, Symphony No. 5
- Arturo Marquez, Danzon No. 2
- Michael Daugherty, Route 66
- Vivaldi, Gloria
- Tchaikovsky, Symphony No. 4
- George Gershwin, Porgy and Bess
- Benjamin Britten, Occasional Overture
- Modest Mussorgsky, Pictures at an Exhibition
- Ralph Vaughan Williams, Dirge for Two Veterans (from Dona Nobis Pacem)
- Benjamin Britten, Sinfonia da Requiem
- Fred Deitz, Flora-Fanfare
- Arthur Honegger, Concerto da Camera for flute, alto sax and string orchestra (2nd movement)
- Johan Halvorsen, Fossegrimen, Dramatic Suite for Orchestra Op. 21 (movements 1, 3 and 5)
- Geirr Tveitt, Concerto No. 1 for Hardanger Fiddle and Orchestra Op. 21 (3rd movement)
- Maurice Ravel, Rapsodie Espagnole
- Camille Sains-Saens, Symphony No. 3 “Organ Symphony”
- Jose Pablo Moncayo, Huapango
- Eric Whitacre, Equus (For Symphony Orchestra and Choir)
- Borodin, Polovtsian Dances
- Tchaikovsky, Symphony No. 6
- Delius, A Walk to the Paradise Garden
- Adams, A Short Ride in a Fast Machine
- Trajko Pokopiev, Labin i Dojrana
- Khatchaturian, Adagio from Spartacus
- Mussorgsky/Stokowski, Night on a Bare Mountain
- Bernstein, Symphonic Dances from West Side Story
- Anonymous, Die Bänkelsängerlieder
- Vaughan Williams, Six Studies in English Folksong (I and II)
- Mozart, Oboen-Quartett KV 370 (Allegro)
- Susato, Pavane
- Marcello, Sonata in F (IVth Movement)
- Hindemith, Kleine Kammermusik für Bläserquintett (Lustig and Walzer)
- Schostakovich, Five Pieces for 2 Violins (Prelude-Moderato and Elegy-Andantino)
- Larsen, Four on the Floor
- Bozza, Trois Pièces pour une Musique de Nuit (Andantino and Moderato)
- Poulenc, Villageoises (Valse Tyrolienne, Staccato, and Polka)
- Hazell, Brass Cats (Mr. Jums)
- Nehls, Four Pieces for Brass (No Name Blues, Cold Coffee, and Weavers Walk)
- Warlock, Suite Capriol for String Orchestra (Basse-Danse, Pavane, and Mattachins)
- Brahms, 2. Sinfonie D-Major Op. 73 (Allegro non troppo), Arr. Iain Farrington
- Pergolesi, Siciliana
- Byrd, Pavan
- Kodaly, Summer Evening
- Bacewicz, String Concert
- Jacob, Old Wine in New Bottles
- Beethoven, Symphoy No. 7 in A-Major, op. 92