"Apollo and the Muses on Mount Helicon (Parnassus)" by Claude Lorrain
The Muses, from the Roman name Musae, were the nine daughters of Zeus and Mnemosyne, a Titan whose name means "thought". For the Greeks, the Muses were the goddesses of the inspiration of literature, science and the arts.
Calliope (beautiful voice) - The muse of epic poetry and the mother of Orpheus and Linus.
Clio (glory) - The muse of history. She was said to have introduced the alphabet to Greece.
Erato (lovely) - She is the muse of lyric poetry, especially love and erotic poetry.
Euterpe (delight) - The muse of song and elegiac poetry. She was said to have invented the double flute.
Melpomene (choir) - Initially the muse of singing, she later became the muse of tragedy.
Polyhymnia (much song) - She is the muse of sacred poetry, sacred hymn, dance, and eloquence as well as agriculture and pantomime.
Terpsichore (pleasure in dance) - The muse of dance and chorus.
Thalia (to blossom) - She is the muse of poetry and idyllic poetry. This was also the name of one of the three Graces or Charities.
Urania (heavenly) - The muse of astronomy. She is often associated with Universal Love and the Holy Spirit.