A detailed orchestra treatment of the  known song of Gounod which he wrote to the first Präludium by Bach. The  smallest possible occupation is here 2 violins, cello, contrabass and  piano or harp. Then it can be increased with an additional viola, woods,  horns, kettledrum and percussion. The following voices are delivered: 1  x flute, 1 x oboe, 1 x clarinet in B, 1 x bassoon, 2 x horn 1 + 2 in  fa, 1 x kettledrums, 1 x percussion, 8 x 1st violin, 6 x 2nd violin, 4 x  viola, 2 x cello, 1 x double bass and 1 x piano or harp. Besides, the  Präludium by Bach sounds completely from piano (or harp), the original  melody of Gounod lies completely in the 1st violin. New written voices  play violin 2, violoncello and double bass, all other one are doublings.