In a mixture of cantata and concert piece, Beethoven set a hymn to art in his Fantasie (Fantasy). The work, about 20 minutes in length, is often seen as a precursor to the Ode to Joy in the 9th Symphony. After a piano introduction, a dialog between piano and orchestra develops in the space of just 400 measures, before the soloists and chorus enter for the last 200 measures. (If necessary, the solo parts can be sung by members of the chorus or a semi-chorus.)