This is freaky.
I'm going through some old tape machines for answering systems and come across one of those micro cassette systems for phones. After inspecting I noticed a tape still loaded. Plugging it in and finally finding the listen back outgoing message button I pressed it and ... (My father passed away some ten years ago.) I hear singing, "summer - Indian Summer". "You've reached ******** Joe ******* please leave your...." It's his voice. Damn, I didn't know he could sing! Would have made a great Baritone.