Ob – Orchestration
Ob
Abbreviation of oboe and obbligato.
Ober (Ger.) (o'-behr)
Over; upper.
Oberwerk
The uppermost manual of an organ.
Obligé (Fr.) (o-blee-zheh)
Obbligato.
Oder (Ger.)
Or.
Or.
Œuvre (Fr.) (ōōvr). Work; opus.
Olivettes (Fr.) (o-lee-vet)
Dance after the olive harvest.
Open Diapason
See Diapason.
Hun-
Open Pipe
An organ-pipe without stopper.
Opera Buffa
Comic opera. (Fr., Opera Bouffe.)
Opera Seria
Grand opera; serious opera; tragic opera.
Oppure (It.) (op-poo'-reh)
See Ossia.
Orchestration
The art of writing for the orchestra.