Steve Vai should migrate to Gig Performer.
Otherwise, learn to sing better 
Link: When your rig goes down in Italy... | By Steve Vai | Facebook
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Moral of the story: tubes blow, amps fry out way more often for me than computers crash - way more reliable than my tube amps and flexibility just blows them away!
It’s over for me and real amps, I’ll toy with them at home for fun though, not for playing out or rehearsing.
(source)