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
American Musical Instrument Society American Musical Instrument Society The American Musical Instrument Society (AMIS) was formed in 1971 "to promote study of the history, design, and use of musical instruments in all cultures and from all periods" (the branch of musicology known as organology). Based in the United States, it publishes a journal and a newsletter, holds annual conferences (occasionally in conjunction with the Galpin Society), maintains an active website and e-mail forum, and presents five awards. The society's international membership includes collectors, curators, historians, performers, instrument makers, conservators, restorers, dealers, teachers, and students. The "Journal of the American Musical Instrument Society, "(ISSN 0362-3300)