They preach it in their music, which is a strange hybrid of beat and electric guitar Asian jazz.
Chadwick's despondent vocals and a melancholic guitar line are run though a heavy wash of reverb, the kind of song that sounds like it was written at the depressing end of an all-night bender.
He used to like hill-walking and playing the guitar, but rarely finds the time now.
"It was just me and another guy on guitar.
They all shared a guitar as children, although Louis moved to bass in 1961 after being smitten by the guitarrón, a large acoustic bass favoured by mariachi bands, which he had heard being played in a shopping arcade in LA.
He won the Golden Ball award and got a gigantic car key, which hung round his neck like a guitar.
In 1989, with the inspired, groundbreaking single Fools Gold and the loose grooves of their debut album, they gave British rock a future, restoring the legacy of the 1960s with a jangling guitar sound and breathing new life into it with the energy of dance music.
They played a raunchy set of old Shadows of Knight, Bo Diddley, Stones and Count Five songs, but were short lived: "We were banned after one assembly by the principal," recalls Tommy, "'cause some people got hurt by Johnny's guitar".
Strap a guitar around her and Carrie struts around the stage with a Mick Jagger hip swagger, shredding riffs with Pete Townshend arm windmills.
There's even Taylor Swift – prompting Bridges to recall how they would get the guitar out between takes.
But of course, this all changes when she meets out-of-this-worldly beautiful Noah, a guitar player in a band, and they inevitably fall in love.
