If you’re spending your holidays in London and are looking for a place to go and see live music – be it rock, pop, indie, jazz, metal or classical – then you are very much spoilt for choice. There are hundreds of venues in the city and you will invariably stumble across one even if you’re not actively looking for somewhere to get your groove on. Many of London’s venues have had to close down recently. Both the Astoria and Astoria II have closed their doors for the final time because of nearby developments. Others have fallen into states of disrepair,…