For those jazzers amongst us who have been guided through uncharted territory by the keyboard player...chord by chord! A vocalist hired a piano player to accompany her at an audition for a night-club job. After listening to a couple of songs, the owner said, "Can you sing 'When Sonny Gets Blue?' It's my favorite song. If you can sing it, you're hired." The singer whispered to the piano player, "I don't know it all the way through." The piano player said, "I know it. Go ahead and start, and I'll prompt you." Reluctantly, she began: "When Sonny Gets Blue ..." She looked at the piano player for help. He whispered confidently, "B-flat minor nine..."