What was your first concert ?

Twisted Sister, with a little known (at the time) band as an opening act called....ummmmm....what was their name again....oh yeah....Metallica. It was about a month before the Master of Puppets album came out. They have never opened for any one since then to the best of my knowledge. My buddy and I went to see Metallica, but Twisted Sister put on a great show as well!