Are raucous crowds and dance parties the future of Long Island tasting rooms? By Lenn Thompson, Executive Editor There was a time not long ago when, if you wanted to find live music at a Long Island winery, you had to do some research. Only a handful of wineries hosted performances on any given weekend. Now, it's more difficult to find a winery without music. Similarly, you'd rarely find food beyond maybe cheese and bread at a tasting room just a few years ago. You'd certainly never find DJs and dance parties, cover charges or beer trucks. Collectively, I refer…