So did I. ;)
Actually, in all seriousness, I have it on good authority that the original mixes have been digitally archived from the master tapes at 24-bit, 192 kHz resolution, and that copies of them are safely stored in good hands. I'm not at liberty to say how I know this (no, I don't have them, nor could I share them if I did), but rest assured their legacy lives on . . .