I tend to get the parts of the Oboe and Clarinet confused, but the Bassoon makes it easy by having Bass in the name just like the Double Bass, but why doesn't the Tuba have the word Bass in it like Bassuba.
VSCO2 Bassoon Win 64 Win 32 Mac VST Mac AU
Sonatina Bassoon Win 64 Win 32 Mac VST Mac AU
Also has a Contrabassoon.
VSCO 2: Creative Commons Zero 1.0 Universal : Versilian Studios / Sam Gossner
Sonatina: Creative Commons Sampling Plus 1.0: Mattias Westlund