Phil Mann is artistic director of BattleActs and Spacejunk and an IdeasTap Creative Space Associate Member. Improvisation group BattleActs is appearing at the Vault Festival in Waterloo from Wednesdays to Sundays, Feb 18 - March 1. Tickets here. So we asked Phil to give Beyond The Joke his thoughts on improvisation. It's not all Whose Line Is It Anyway? you know...