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
Triangle (musical instrument) triangle in tenth-century manuscript, is of an instrument without rings. A triangle without rings is depicted in the King Wenceslaus IV Bible (late fourteenth century) and again on a mid-fifteenth-century window in the Beauchamp Chapel, St Mary's, Warwick. This latter triangle with its open corner has a curiously modern appearance, except that at the top angle the steel bar is twisted into a loop through which the thumb of the performer (an angel) passes. Like its ancestor the sistrum, the triangle was clearly used for religious ceremonies, quite widely in mediaeval churches.The triangle occurs more often than any other instrument