Alberto Bertapelle (23 December 1958 – 23 November 2016), better known by his stage name Brainbug, was an Italian symphonic electronic trance music producer and guitarist from Ceggia, Italy.

"Nightmare" appeared in the soundtrack of several films, such as Human Traffic, Playing by Heart and A Night at the Roxbury.

It was also used during the second-half kick-off at Leeds United home games at Elland Road as well as being the entrance music for the 2013 Elite League Nottingham Panthers ice hockey team.

[12] On 23 November 2016, Bertapelle died of a suspected heart attack at 57 years old while playing the guitar in a performance on stage during a concert in Tavagnacco of Udine, Italy.

[5][13][14] Despite having a group of nurses in the audience who performed CPR and an ambulance arriving shortly after, Bertapelle was pronounced dead.