Here's a link to a 'promo edit ' compilation featuring Billy playing in a number of musical styles   -                                                                                          

Scroll this page for links to more playing style examples / full version video's -                                                                                                                                                                                                                                                                                                                                        Singer songwriting  - Blues - Rock - Jazz  etc                                                                                                         

Blues guitar examples

Rock guitar examples

Jazz guitar examples