entertainment: Monty Python - Terry Jones played a man who claimed to have 3 what?

Questions

what christian rock group recorded such songs as 'honestly' and 'to hell with the devil'?

what rock group recorded such smash hits as 'come sail away' and 'the grand illusion'?

what group performed such songs as 'i swear' and 'i can love you like that'?

name the group that did the song-turned-pop-culture-icon 'stairway to heaven'?

who was arrested at age 11 for releasing a computer virus that crashed 1507 computer systems in one day, single-handedly causing a 7 point drop in the u.s stock market?