Read "Dancer" at The Eldritch Dark:
Although this poem from Clark Ashton Smith (CAS) would seem to have a lot in common with the poems that make up the The Hill of Dionysus (1962), it was not included in the published version of that cycle. I certainly suspect that CAS' friend Madelynne Green was the subject of this work, even if she is not directly named.
It's a simple verse, but highly effective in visualizing the motive art of dance and the complex emotions that it can express without words. The vision of the dancer's feet crushing out a red vintage "That shall restore the summer" is both beautiful and uplifting.