12 : ±âŸ·¼·¹ ÁÖÈÀ½ ÈÀ½ÁøÇà : C-key 1µµ-4µµ-5µµ
Step 1. Cmaj¸¦ ¤´Â´Ù.
Step 2. 1Áö¸¦ ¶¼¼ 2Çö 1ÇÁ·¿À» ¤´Â´Ù.
Step 3. 2Áö, 4Áö¸¦ ¶¾´Ù.
Step 4. 2Áö, 3Áö·Î 4Çö 2ÇÁ·¿, 5Çö 3ÇÁ·¿À» ¤´Â´Ù.(Fmaj)
Step 5. 1Áö¿Í 2Áö¸¦ ¶¼°í, 3Çö 2ÇÁ·¿, 1Çö 2ÇÁ·¿À» ¤´Â´Ù.
Step 6. 3Áö¸¦ ¶¼°í, 2Çö 3ÇÁ·¿À» ¤´Â´Ù.(Gmaj)