Back in the 90s, one of my friends excitedly declared that she'd managed to get her hands on an illegal real book. At her birthday party, I found myself at the

Back in the 90s, one of my friends excitedly declared that she'd managed to get her hands on an illegal real book. At her birthday party, I found myself at the piano playing requests from it, but I wasn't familiar with the convention used in the book to write, e.g., C- for Cmin and I had assumed that the dash meant a diminished rather than minor chord. I had some really weird harmonizations coming out of that.