The shofar is used mainly on Rosh Hashanah. In addition to trumpet, Bowie played flugelhorn, cornet, shofar, and conch shells. The Sages indicated that the mitzvah was to hear the sounds of the shofar. The shofar is not blown on Shabbat. Its horns can be used instead of sheep's horn to make a shofar. The holiday is characterized by one specific mitzvah&colon; blowing the "shofar". Referred to as a shofar, the ram's horn was used in battle to alert warriors. The best known Biblical trumpet after the "shofar", however, is the "hasoserah". In response, John the Baptist enters blowing a shofar to call the community to order. Gordon is also credited with providing vocals and shofar accompaniment. A Moroccan shofar is flat, with a single, broad curve. The shofar is sometimes used in Western classical music. Mizpe Edna is a lookout at the Shofar and Hallil junction. A 2006 controversy concerned the expansion plans of the Kol Shofar Synagogue. The Shofar is blown during Mussaf at several intervals.