1. These two songs were written by different musicians. The composer of "Walking with You Hand in Hand" is a famous musician Chen, and the composer of "Happy afterlife" is.
2. Their musical styles and creative ideas are different, so the styles and timbres of these two songs are obviously different.
3. In detail, although the lyrics and emotional expressions of the two songs are similar, they are different from the perspective of composition, because the timbre and chords on which the composition is based are different.