| 1 | I might not know what key he's in. | |
| 2 | Scales, keys, key signatures, circle of fifths, etc. | |
| 3 | This last may also be in a key signature to show changes in key. | |
| 4 | They are needed when chromatic notes foreign to the key and not indicated in the key-signature occur. | |
| 5 | Students need to select the correct tone symbol that matches the picture, the character and the syllable. |