Music technology used for festal and mourning occasions, according to Whitcomb. "Even the poorest Hebrew was obliged to employ two flute-players to perform at his wife's funeral." The shofar (the horn of a ram) is still used for special liturgical purposes such as the Jewish New Year services in orthodox communities. As such, it is not considered a musical instrument but an instrument of theological symbolism which has been intentionally kept to its primitive character. In ancient times it was used for warning of danger, to announce the new moon or beginning of Sabbath, or to announce the death of a notable.
Wind instrument of thermal expansion of a wind instrument, even of a brass instrument, is negligible compared to the thermal effect on the air. The bell of a wind instrument is the round, flared opening opposite the mouthpiece. It is found on horns, trumpets and many other kinds of instruments. On brass instruments, the acoustical coupling from the bore to the outside air occurs at the bell for all notes, and the shape of the bell optimizes this coupling. On woodwinds, most notes vent at the uppermost open tone holes; only the lowest notes of each register vent fully or partly at