More details on London’s Guitar Show taking place on April 27-29 have been released. Six string virtuoso Steve Vai (ex-Whitesnake/David Lee Roth/Frank Zappa) is scheduled for a master-class on Saturday 28. His performance is set to be one of the highlights alongside The Wildhearts, Iron Maiden drummer Nicko McBrain, The Blockheads and The Automatic. For tickets and more info visit London Guitar Show.co.uk.