Over the course of the Contra Sonic
series and others, there have been some interesting choices as to formatting. Some series have stuck to the traditional contra dance format, with dances lasting something like 10 minutes apiece and there being distinct breaks between them. Others have attempted to do extra-long medleys, where people are encouraged to drop out at the ends as they get tired (which may or may not actually happen in practice). Still others have attempted a hybrid of the two, having regular contras until the last 30-60 minutes, at which point they switch to a medley format.
I've been to techno contra evenings where the medleys are done well; I've also been to dances where the medleys have crashed and burned and may have qualified for Federal disaster relief. I have my opinions on this, but I'm interested in yours: particularly in a techno contra, is a format change something that enhances the experience, detracts from it, or has no effect?