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 ...

The MS-90LP+ MultiStomp has 13 hours of recording memory, flexible routing options, full stereo operation and 68 rhythm patterns to work with – and it'll quantize loops to keep you in time When you ...