Many of the street musicians have their own online content. You can find links to their music and social media at the bottom of their profiles in the Interactive Busking Map. For more general information regarding busking check out these websites:
http://buskinlondon.com – The official website of the organisation currently promoting busking in London, with profiles of buskers, details of upcoming events, clarification of some of the legal issues and advice for buskers.
https://tfl.gov.uk/corporate/about-tfl/culture-and-heritage/busking – TfL’s official busking page. They provide statistics about the licensed TfL busking scheme and details of how to get involved.
https://busk.co – An international busking project with profiles of street performers from around the world, as well as information for busking and suggested literature for those who want to read more about the topic.
http://www.streetmusician.co.uk – A website full of tips and tricks for street musicians from how to look after your voice to what to consider when getting new gear.
http://keepstreetslive.com – A company with a mission to promote street performance and protect the rights of performers in cities around the UK, providing up-to-date articles and a platform through which to discuss the issues surrounding public space and street performance.