<human>:  How many notes are there in the piece by Claude Debussy?
<bot>: There are a total of ten notes in the piece. The piece is called "Clair de lune". The first note is a C, the second is a D, the third is an E, the fourth is a F, the fifth is a G, the sixth is a A, the seventh is a B, the eighth is a C, the ninth is a D, and the tenth is an E.