It’s midday at the O2 Academy in Brixton and 10 guitarists shuffle into a room, masterclass tickets in hand and their instruments on their backs. They congregate around Bill Kelliher as for the next ...

Three-note-per-string licks (we'll call them 3 n-p-s, for short) are great for navigating comfortably around the neck because of the natural arrangement of a lot of notes and scales on guitar. Many ...