Contrabass oboe Contrabass oboe The contrabass oboe is a double reed woodwind instrument in the key of C or F, sounding two octaves or an octave and a fourth (respectively) lower than the standard oboe. Current research, in particular that by hautboy specialist Bruce Haynes, suggests that such instruments may have been developed in France as part of an original attempt to maintain the complete family of double reed instruments when the oboe was created from the shawm. There was an instrument referred to as the basse de cromorne or basse de hautbois which was used by Lully, Charpentier, and other French
Oboe da caccia, Baroque antecedents of the cor anglais. Even less common is the bass oboe (also called baritone oboe), which sounds one octave lower than the oboe. Delius and Holst both scored for the instrument. Similar to the bass oboe is the more powerful heckelphone, which has a wider bore and larger tone than the baritone oboe. Only 165 heckelphones have ever been made. Not surprisingly, competent heckelphone players are difficult to find due to the extreme rarity of this particular instrument. The least common of all are the musette (also called oboe musette or piccolo oboe), the sopranino member