My whole dream just came back to me, and I hadn't even thought of it since getting up this morning.
It was the typical performance dream in which you're either unprepared or you don't know what the hell you're even doing there. In this one, I'm playing in the orchestra for a show, on what seems to be a baby grand piano. We were already midway through the show, and following a pause for dialogue in the middle of this number, I resume playing on cue and we finish the number, then there's a dialogue scene. However, as I'd turned the last page in that song, I found that the rest of the book was missing.
I immediately tried to take stock of my situation. Did I remember enough of the score (in the dream, it now seems to be Shrek) to be able to cover enough of my part? Should I ask the conductor during this pause if there's another copy of the book I can grab? Will the audience see that the piano player now has nothing on his stand, and start noticing things? Are there any important cues in the second half that depend on my playing something precisely and not just faking it? As the situation became more and more dire, I finally began to wake up. But while still under the influence of the dream, I was grateful that it couldn't have been Shrek which would be impossible in this situation, in so many ways.