As one of our fellow tandemists (name hidden to protect the guilty) said, "If I were allowed to attach a small camera to the front of the bike during our performance then the footage may well have looked like this...":
There's also a nice selection of rehearsal pictures here, and a behind-the-scenes rehearsal video here.
Sorry about the failure to embed the videos properly. YouTube's being a bit silly at me tonight. I blame the daquiris.