The Hammersmith Odeon was a concert hall located in Hammersmith.
In July 1973, Vince Cosmos performed at the Odeon with the Tomorrow Twins playing support. In one universe, this was his final performance, while in another he was attacked by Martians. Iris Wildthyme, Panda, and Simon all attended this performance. (PROSE: Enter Wildthyme)
Also in the summer of 1973, David Bowie retired his "Ziggy Stardust" identity while onstage at the Odeon. (PROSE: Verdigris)