A speaker, a little drunk on sake, finds himself alone in the evening and starts to sing. He admits there's nothing in particular to sing about, but he does it anyway, and with confidence. That small joke sets the tone: the song is not meant to say anything, it just fills the room and feels good to make.
The second stanza shifts the mood. The speaker turns to the evening light in his chamber and wants it to tell him "many things." After singing about nothing, he now wants to be the listener. The poem suggests a quiet loneliness here, a wish for the world to answer back with meaning. Yet the tone stays gentle rather than sad. The drink loosens him, the light is warm and soft, and he seems content to wait. The poem captures a relaxed, slightly wistful moment where emptiness feels more like openness than lack.