Sackbut eighteenth century; when it returned, the Italian term "trombone" became dominant. In modern English, an older trombone or its replica is called a sackbut. An older instrument generally differs from modern trombones by its smaller, more cylindrically-proportioned bore, and its less-flared bell. The bell section was more resonant (since it did not contain the tuning slide and was loosely stayed rather than firmly braced to itself). These traits produce a "covered, blended sound which was a timbre particularly effective for working with voices... zincks and crumhorns", as in an alta capella. The revived instrument had changed in specific ways. In
Musical instrument bass clarinet plays about one octave lower. The materials used in making musical instruments vary greatly by culture and application. Many of the materials have special significance owing to their source or rarity. Some cultures worked substances from the human body into their instruments. In ancient Mexico, for example, the material drums were made from might contain actual human body parts obtained from sacrificial offerings. In New Guinea, drum makers would mix human blood into the adhesive used to attach the membrane. Mulberry trees are held in high regard in China owing to their mythological significance—instrument makers would hence use