1. Yes, we can call London the centre of the theatre life because it has the greatest number of theatres compared to other British cities. London's West End is particularly known for its high concentration of theatres.
2. It is stated that going to the theatre in Britain is popular, but also expensive. Therefore, while some people do go to the theatre, it may not be as frequent or accessible for everyone, especially young people who may not be able to afford it.
3. Musicals, particularly those by Andrew Lloyd Webber, attract tourists to London. The passage mentions that about 5.5 million people, many of them tourists, go to see a musical every year in London.
4. If you haven't got enough money, there are a few ways to still get to the theatre. One option is to attend afternoon performances called matinees, which often offer cheaper tickets. Another option is to try buying stand-by tickets, which are sold at half-price half an hour before a performance starts. These options can make theatre more affordable for those on a budget.
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