<P> The fugue is 27 bars long and is written for four voices . It starts with a 2 measure subject in the alto voice . The first voice to join is the soprano, which replies with the answer in the dominant key (G major). </P> <P> The answer is repeated in the tenor and bass voice, respectively, when they enter . The piece then modulates through various related keys, with the subject being repeated in each of the four voices . The piece eventually ends up back in the home key . It ends with each voice stopping at a note and holding it until the end, forming a C major chord . </P> <Table> <Tr> <Td> </Td> <Td> Ave Maria by Gounod Gounod's Ave Maria, arranged for piano and cello . Performed by John Michel </Td> </Tr> <Tr> <Td_colspan="2"> Problems playing this file? See media help . </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> Ave Maria by Gounod Gounod's Ave Maria, arranged for piano and cello . Performed by John Michel </Td> </Tr>

When did bach write prelude in c major