When an orchestra tunes up before playing, what instrument conventionally provides the initial 'A' guide note?
Conservatoire oboe Hautboy Oboe Making oboe reeds Hoboe Haut-boy French oboe Hoboy Oboe reed making Baroque oboe Oboe Reed making Classic oboe Oboes Hautbois
baroque oboe conservatoire oboe oboe reed making hautboy classic oboe hoboe haut boy making oboe reeds hoboy oboes oboe french oboe hautbois
oboe
WikipediaEntity
Oboe