Assertion: bassoon's key | /r/AtLocation | wolf's professional instrument
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Source sentences:
text: By far the most used of these would appear to be the Wolf instruments: the model in G or quint-bassoon is marketed more toward children as its slightly smaller size suits them better, while the F or quart-bassoon is more suited to older children or professionals due to its slightly bigger size as well as its feeling and sounding more like a full-sized bassoon, although in its basic children's model it has limited professional use due to the lack of full modern keywork and indeed some professional players using this instrument have opted to have alternative F♯ and G♯ keys added to Wolf's professional instrument (standard features on the regular bassoon) to facilitate the playing of more advanced music.