Original: Carmen. Act III, Trio. Timpani sheet music. Act III, Trio. No. 21. Quant au douanier. Georges Bizet. Choir sheet music.
Translation: For 2, 2, 2, 2 - 4, 2, 3, 0, timpani, percussion, harp, strings, soli mz, SS, mixed choir. As for the customs. Harp sheet music.