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The '''heckelphone''' is an obscure musical instrument in the oboe family.  It is similar to the [[cor anglais]], but with a rounder sound.

The '''heckelphone''' is an obscure musical instrument in the oboe family.  It is similar to the [[Cor Anglais]], but with a rounder sound.

See also [[bass heckelphone]].

See also [[bass heckelphone]].