Seven Should-not-plays (Chinese Music)

In Chinese traditional culture, regarding playing Gu-qin, in seven types of circumstances one should not play:

#when there is big wind or big rain;
#when having big sorrowful mood;
#when one's dress is not tidy;
#when one is drunken and being crazy;
#when one has not burned incense;
#if one does not understand music or is at an vulgar circumstances;
#if one has not had a bath or is at a dirty place;