31a for an example think of the women who burned their bras, and what their movement was generally known as.
11d a sort of grimace dropping last letter (trim) - whole thing N mist
31d is wordplay only (one of 2), and is the surname of one of the protagonists central to the theme. In this country I guess the surname would normally appear with the first letter repeated twice.
17a me neither and I gave up trying!
The intoned sound is the one that is used by Hindu devotees - Google will throw it up if you put in the 3 appropriate words.