14世纪时，最早的音乐编码自动乐器“钟塔组铃”在荷兰鸣响。
In the 14th century the first programmed Musical Instruments - the tower carillons - sound in the Netherlands.
17世纪，小型的组铃进入了家庭：在带音乐的钟里有一排铃，由一个乐曲编码滚筒来演奏，就象钟塔里的组铃一样。
In the 17th century scaled-down carillons are introduced into the drawing-room: the musical clock contains a row of bells which are played by a pro grammed cylinder just like the tower carillon.
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