On WinMX, I've gotten 3 concerts:

2/27/80 - The Wall performed live at Nassau Coliseum
8/9/80 - The Wall performed live at Earl's Court
7/15/89 - Live from Venice.

You can also get the PULSE concert (10/20/94), but I've got a VHS copy of that already. Just waiting for the DVD.

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"Believe me, there will be enough explosions in your mind."