These are the lowest notes of each woodwind instrument. Clarinet and saxophone are written notes.
It will also check the instrument, so try to play it at least once a day, even if it doesn't appear in the piece the band is currently practicing.
The lowest note on the flute is C
On the oboe is Bb
On the bassoon is Bb
On the soprano, alto, and tenor saxophone are Bb
, and the baritone saxophone is A 
On the clarinet is E
On the bass clarinet is Eb, but some can go down to C.
