Level 1 and Level 4. In the music Little Penguin is Really Beautiful, the first phrase is from the first to the fourth measure. The melody tone from the first measure to the second measure is 535133. Arrange a first-level chord. The melody tone from the third measure to the fourth measure is 644, arranges fourth-degree chords, so the first and fourth-degree chords are used in "Little Penguin is Beautiful".