Super C. :)
The highest "official" note in the range of the clarinet is C, on the space above the fifth leger line above the treble stave. Fingering is as for long B flat, overblown a couple of levels.
On the B-flat clarinet, a concert D is the lowest note.
A sharp or B flat
Clarinets come in many keys. The most common key is Bb (B flat), in which the tuning note is C. There are many other kinds of clarinets including the alto clarinet, bass clarinet, Eb clarinet, and many more.
Piccolo clarinet From the smallest to the biggest, here it is: ~ Soprano clarinet ~ Basset clarinet ~ Basset horn ~ Alto clarinet ~ Bass clarinet ~ Contra-alto clarinet ~ Contrabass clarinet
b flat
Concert b flat is a c.
A concert b flat is a c on the clarinet, and chromatic means moving upwards by half-steps. Therefore: C, C#, D, D#, E, F, F#, G, G#, A, A#, B
Clarinet in A and Clarinet in B flat
The clarinet is played in the key of B flat
B flat note, C note, D note, E flat note, F note, G note, A note, B flat note.
The members of the clarinet family I am aware of are the B-flat (The most common), the A, the C, and the G. There is also the bass clarinet (In B-flat), the Contra-Alto clarinet, the Contra-Bass Clarinet, and other woodwind instruments.