Here are some links to sites you may find of interest...
Gary Karr	One of the world's leading solo bassist.
Alter-ego	Electric Basses.
Stefan Johann Krattenmacher	Maker and restorer of fine stringed instruments.
Gollihur Basses	Double basses and electric basses.
LiveMusicSearch.co.uk	Find and book live music for your event.
Take Note Publishing	Digital publishing, web design and hosting.
Music Theory Software	Recommended software to teach and test music theory up to grade 5 level.