In order to make it work , make sure you upload to arduino the whole code 
from Thomas Ouellet Fredericks,Alexandre Quessy by file-skectchbook-open , you will see 3 docs opened, 
then choose the right atmega and your arduino port . 

Para hacerlo funcionar , asegurate de subir el codigo completo a arduino 
de Thomas Ouellet Fredericks,Alexandre Quessy , en orden archivo-skectchbook-abrir veras 3 documentos abiertos 
, elige el atmega y el puerto . 


enjoy.
colorsound.