Note: A PDF document for the Harmony Chart in this lesson can be found here.
There is quite a lot of information given by the phrase "in the key of …". A key describes the notes used in the melody and, importantly, the chords that you can expect to play for the harmony. The following harmony chart will hopefully help you learn this information.
Now this chart can look like a crazy bingo card at first sight. Let's try to crack the code, shall we?
Follow the left hand side to the key you want to work with. Once there, read left …