Below are a couple of relevant resources (mostly guitar-based) that you may view.
NOTE: London Guitar Institute accepts no responsibility for the content of any site to which a hypertext link from this site exists.
Burns Guitars – The legendary guitars by Jim Burns! – A MUST LOOK!
Guitar notation software – Welcome to TablEdit – tab and standard notation edit software with INSTANT conversion from each one to another!
Guitar Aid London – Great guitar repair and improvement service in London
Toth guitar school – No-nonsense rock guitar instructor (offering lessons via Skype) with a deep knowledge of classical theory, harmony and composition.