- Orchestra Anepeta
- Orchestra Angelini
- Orchestra AP
- Orchestra Aragón
- Orchestra Aragon
- Orchestra Argentin Bianco-Bachicha
- Orchestra At Temple Square
- Orchestra Athos Mancini
- Orchestra Bagutti
- Orchestra Baobab
- Orchestra Baobab
- Orchestra Baobaba
- Orchestra Barocca Zefiro
- Orchestra Barzizza
- Orchestra Beguen Band
- Orchestra Beobab
- Orchestra Blue Star
- Orchestra Bodensee Oberschwaben
- Orchestra Borghesi
- Orchestra Bratia Holutiaky-Kuziany
- Orchestra Brunella
- Orchestra Bruno Salmi
- Orchestra Camilo Santa Maria
- orchestra carbon
- orchestra carbon
- Orchestra Carlo & Donatella
- Orchestra Carlo & Donatella
- Orchestra Carnevale di Venezia
- Orchestra Castellina-Pasi
- Orchestra Cavarini
- Orchestra Cerangioli
- Orchestra Cetra
- Orchestra & Choir of the Gulbenkian Foundation
- Orchestra Cinefonica Italiana
- Orchestra Citta'aperta
- Orchestra Coco
- Orchestra Cometa
- Orchestra Conducted By Horace Henderson
- Orchestra Conducted By Lou Bring
- Orchestra Consiglio
- Orchestra Copacabana
- Orchestra Corrado Graziani
- Orchestra Cubana Aterrano
- Orchestra Da Camara Di Roma Coro Della Capella Sis
- Orchestra Da Camera
- Orchestra Da Camera Delle Marche
- Orchestra Da Camera Di Genova
- Orchestra da Camera di Milano
- Orchestra Da Camera Di Roma