Beyond the Barricade is, without doubt, the UK’s leading musical theatre concert. The concept was conceived by Andy Reiss and David Fawcett, who were both performing in the Manchester production of Les Miserables when they first met.  Although the ladies they have sung with over the years have changed, these two guys have remained pivotal in the success of Beyond the Barricade.  I took the opportunity to speak with them both before their recent show at St David’s Hall. Alan…