Assertion: bassoon | /r/CreatedBy | other makers
Facets:
Source sentences:
text: The 4000 series bassoons still lacked some keywork found on modern instruments, but by adding the “missing” keywork it is possible, with appropriate restoration, to have a bassoon from around that time, made by Heckel or other makers which compares well with modern bassoons and, in many cases, exceeds them in certain respects.