Nachman of Breslov,
Likutei Moharan — 54
“ And the one who plays, it is necessary that he knows how to play as mentioned, also he the instrument needs to be whole in order that the wind not go out mixed bad with good together. And therefore it is necessary that he knows to play and also that the instrument that he plays on be whole in completion as fit, which is the aspect of choosing out the good wind which is the aspect of joy aspect of spirit of prophecy from the sullen wind, which is the bad wind as mentioned. ”
