I prefer the hiss to the boo. Have only done it at one or two lectures to protest some statement that I find truly unacceptable.
Somehow it seems that hissing is more disagreement with what is said than how it is delivered, and I never heard it at an actual performance, except the boos and hisses that are jokingly delivered to an actor who has played a vilainous roll, and meant as a compliment.

Sebastian, I for one like silence between movements. It lends itself to the drama of the music.

Sebastian, I appreciate silence between movements, the space between the music lends itself to the drama of the music

The only time I have heard booing in a Broadway house was for the production of NINE starring Raul Julia. At curtain calls about a third of the house applauded, a third seemed unresponsive, and a third roundly booed - many of whom were in orchestra seats.

Tourists who go to Bway shows start the standing ovations, New Yorkers know better.You dont see standing ovations hardly ever at Avery Fischer hall, a more local crowd.

What is with the formality of not being able to approve or disapprove between movements?

comparing european audience to american? european audience in ballpark consists also of fan's called hooligans. we "miss" that here. r

How about Amateur Night at the Apollo? There, booing is as much a part of the entertainment as the performers themselves!