Westminster Quarters - Wikipedia

The quarters consist of five changes, combinations of the four pitches provided by these quarter bells (G♯4, F♯4, E4, B3) in the key E major. This generates five unique changes as follows:[3]: 95 [4] G♯4, F♯4, E4, B3 E4, G♯4, F♯4, B3 E4, F♯4, G♯4, E4 G♯4, E4, F♯4, B3 B3, F♯4, G♯4, E4 Each of the five changes is played as three crotchets (quarter note) and a minim (half note) and are always played

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いわゆる「キーンコーンカーンコーン」のチャイムは、イギリスの教会に由来する。「O Lord our God / Be Thou our guide / That by thy help / No foot may slide.」という賛美歌っぽい歌詞もついている。