Thank you Ed -- I will keep hair spray with me at all times.
Now, about the time I was to give a full concert, and singing time in an Institution for mentally ill patients. I kept asking the Doctor if the piano was okay before arriving, and when we arrived, no time to check it out. When it was time to start the concert I had a grand introduction to a Christmas carol, and that is when I found out that only the keys around middle c worked in the first octave ~
OR ~ how about the time I was the Entertainment for a very important Wedding receptionist in Rochester, MN ~ all the Doctors and families were there from Mayo Clinic, and again I asked if the grand piano was checked out, and they said it was fine. I was to play Latin music, and when I checked out the piano before starting to play only 1 octave below middle C worked to the upper keys. People came by and complimented on my beautiful performance, and I thanked them, and said "It was even sound better is all the keys worked."

Most of the time ~ I realize that I should check it out, or be able to fix pianos, bring my fix-it-all kit. :-/