作詞さくし作曲さっきょくじゃありませんでした
sakushisakkyokujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 作詞作曲

1. I did not write the lyrics and compose the music.; I wasn't the lyricist and composer.

Past/Perfective
Negative
Polite
Terminal Form