* Apollo (Greek Mythology): He is most closely associated with the combination you mentioned. He was the god of music, poetry, light, prophecy, healing, and the arts.
* Asclepius (Greek Mythology): The god of healing and medicine, often depicted with a staff entwined with a snake, he was a son of Apollo. While he wasn't directly linked to poetry or music, his association with medicine overlaps with Apollo's domain.
* The Muses (Greek Mythology): These nine goddesses were daughters of Zeus and Mnemosyne (Memory). Each muse was associated with a specific art, including poetry, music, dance, history, and drama.
* In various mythologies, other gods and goddesses may be associated with specific aspects of your list: For example, in Egyptian mythology, Thoth was the god of wisdom, writing, magic, and the moon, aspects of which could be linked to poetry and light.
It's important to remember that mythology is diverse and rich, and the connections between deities and their domains can vary across cultures.