a página da wikipédia e o site oficial explicam.. há regras como:
"(...) participant has to play air guitar (i.e. air drums, piano and other instruments are not allowed). Air guitar can be acoustic, electric or both.
(...) any real musical equipment or crew (instruments, amplifiers, effect pedals, backing band members, etc) are strictly forbidden.
(...) usually the following is accounted:
Technical merit — how much the performance looks like the real playing, including accurate reproduction of all fretwork, chords, solos and technical moves.
Stage presence — a charisma of rock star, the ability to rock, lack of stage fright and power to drive thousands of listeners; involves doing guitar moves and other emotional demonstrations.
Airness — how much the performance was an object of art by itself, not only a simulation of playing guitar (...)"
