but essentially it was a very, you know, thin thumbnail sketch of what was going to happen. the whole movie is improvised. >> do the dead bird. >> get the dwarf cannolis. >> i did the bird. >> don't talk back. let's go. come on. >> you had these brilliant performances by all of them. then rob put it all together and made it sing. >> people didn't know what we were doing. they thought it was a real documentary. when we previewed it, people saw it and said, why would you make a movie about a band that nobody ever heard of? and one that is so bad. ♪ working on a sex bomb plowing through your -- >> let's say you look at a perspective movie and it's a square. rob reiner has a way of finding turning it sideways and looking at it differently and finding a way to enjoy it in a completely nonconventional way. >> he didn't fall? inconceivable. >> you keep using that word.