Menselssohn, a composer from mid-romantic period, had wrote countless works including piano pieces, symphony, oratorio, vocal pieces before his death. The author of this thesis studies Mendelssohn'svocal work OP.9 when he completed in 1832 at the age of twenties. This music consisted of twelve songs. In this piece of music, No.7, No.10 and No.12 are composed by Fanny Mendelssohn, which is Mendelssohn's sister.
The works of OP.9 can be interpreted as a vitality, whether it is desire and loss of love, uncertainly of love and wait for love to come. The first chapter of this paper is the introduction, including motivation and the method of research. And the second chapter discusses the composing methods used in this piece of music, as well as analyzing the rhymes and the syllables of the twelve songs. Chapter three introduces five poets from OP.9 and their poetry. Chapter four contains the analysis and interpretation of the twelve songs in OP.9. Chapter five is the conclusion of the whole thesis.