How it works
A 67 BPM metronome clicks one beat past three slow words. Wikipedia's list of tempo markings ends Largo, Larghetto and Adagio at 66, which leaves 67 to Adagietto, Andante and Marcia moderato. It calls its figures very rough approximations.
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Start
Tap the pad, or press Space. At 67 every click sounds alike and two equal dots take turns, so no bar is marked. Tap the pad again to stop.
Change the tempo
Tap the number under the pad and type a tempo, or press minus and plus. From 67, one press of minus gives 66 and two of plus give 69: the nearest notches of the wind-up scale Wikipedia's Metronome article calls the most common, which has no 67.
Questions and answers
Is 67 BPM adagio or adagietto?
Adagietto, on two counts. Wikipedia's list of tempo markings gives it 46 to 80 and glosses it as a shade quicker than adagio, or slower than andante. A present-day Japanese dial pictured in German Wikipedia's Tempo article prints Adagietto over 63 to 69.
Where do adagio and largo end on a metronome?
Wikipedia's list of tempo markings ends both at 66. In German Wikipedia's Tempo article, though, a 20th-century German dial prints Adagio over 66 to 76 and a 19th-century French one Largo over 42 to 70. Neither is a firm border, it says.
How much quicker is 67 BPM than 66?
By 13.6 ms a beat, our own sum: the gap between clicks is that much shorter. At 67 an eighth note lasts 447.8 ms, a triplet eighth 298.5 ms, a sixteenth 223.9 ms and a dotted eighth 671.6 ms.
What is marcia moderato on a metronome?
A moderate pace in the style of a march, which Wikipedia's list of tempo markings puts at 66 to 80. It opens at 66, so 67 is its second whole tempo. None of the three dials pictured in German Wikipedia's Tempo article prints the word.
Why can't I hear the metronome?
A phone set to silent can swallow the click: check the ring switch, the volume and whether Bluetooth earbuds have claimed the sound. The two dots on the pad go on taking turns at 67 with no sound at all.