Which of the following works is not an art song by Schubert?

Does the questioner want to ask "What are Schubert's art songs?" "The Devil", "Wild Rose", "Trout".

1. "The Devil": This song is based on Goethe's poem of the same name. It describes a scene of a father walking in the dark with his seriously ill son. Schubert used music to depict the tense scene. The atmosphere and the evil image of the devil.

2. "Wild Rose": This song is one of Schubert's most famous art songs. The lyrics are selected from Goethe's poems. Schubert uses a concise and beautiful melody to express the tenacity of the wild rose. Vitality and pure emotion are vividly expressed.

3. "Trout": This song is based on the poem of Schubert's friend Franz Peterlberg. It describes the image of a trout swimming happily in the water and the people. The desire for freedom and happiness.