The accompaniment of non-artistic songs always follows the score and echoes the melody of the whole song, while the accompaniment of artistic songs is different. The accompaniment of art songs does not follow the score, but has obvious melody lines, just like a good piano song, which greatly improves the difficulty of singing art songs, and is easy to lose tune and sense of rhythm.
The perfect combination of beautiful accompaniment melody and vocal music will make the whole song very expressive and appealing, which is also one of the important characteristics of art songs.