Sir Brian May on Instagram: "Coming up in a cloud of smoke from a trap-door in the stage of the Coliseum Theatre and delivering a live slice of Bohemian Rhapsody, when the whole packed auditorium has been dreaming of it happening the whole night, or so it seems, has got to be just about the greatest gift any guitar player could have. The shot of adrenaline it gives ME is massive - literally knocking the breath out of me- partly because it has to be timed to a fraction of a second, and if anythin