Like it or not marriage is about compromise I'd try to find a way for it to work, by both giving a little (reduce number of gigs rather than stop altogether etc)
Ultimately the wife would win, particularly as we have such wonderful kids That said, in reality she'd be so busy watching "Location, Location, Location" or 'Britain's best left-handed chef" on Sky 12 that she wouldn't notice I was even gone to a gig