Assertion: wind instrument's type | /r/HasProperty | tuned to b-flat
Facets:
Source sentences:
text: The most popular types of Clarinets, Trumpets, Trombones, Tubas, Tenor Saxes, Soprano Saxes, Euphoniums, Baritones, etc., are tuned to B-flat, making B-flat the de-facto key of most concert band music.