I want to be able to organize my music library by tempo and rhythms, and I got this neat little electronic metronome to help me. It is the Dr. Beat db-30.
FYI, I am pretty musically illiterate. I know some of the terminology, but I can’t really relate it to what I’m hearing.
I’m having two distinct issues in this project.
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The tempo – I can find a tempo easily enough by tapping on a button in time to the music. But it’s almost always possible to tap either half as fast or twice as fast (sometimes 4 times as fast) to generate other tempos. All keep time with the music. Is there some way to know which is the ‘right’ choice, given that I can’t look at the sheet music and couldn’t read it if I could see it?
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The thythm ‘types’ or ‘styles’. This particular metronome has 9 preset types, though it seems there are lots more. What I’m really looking for are correct descriptive terms for these rhythms. They are all denoted by symbols, and even the owner’s manual doesn’t give them names.
Please bear with my inadequate language in describing them.
Assume I enter a tempo of 120 BPM… There is a virtual pendulum which sweeps back and forth across the display to simulate the metronome’s pendulum.
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designated by a single musical note - it simply generates 120 beats per minute, each beat at the end of a sweep.
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designated by 2 musical notes - it generates an additional beat halfway between each ‘main’ beat, which is ‘accented’ by a slightly different sounding beat.
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designated by a note with what looks like a tiny flag next to the big dot at the bottom - this also taps out 120 BPM, but not 'on the beat" denoted by the sweep hand. The beat sounds when the hand is straight up rather than at either end of the sweep, so it’s kind of like it’s 180 degrees out of phase with the first style.
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I think this is a ‘waltz’ rhythm, the only one I can seemingly identify by name. It generates two additional beats between each ‘main’ beat.
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This generates two taps per sweep, one about 2/3rds or 3/4s (can’t really tell from the display) through a sweep, and a second at the end of each sweep, which is also 'accented".) So it goes tap-TAP-----tap-TAP-----tap-TAP…
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This generates 4 taps per sweep – Tap-tap-tap-tap-TAP-tap-tap-tap
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2 taps per sweep. Like #5, but no accented taps at the end of the sweeps, only the two 2/3rds (or 3/4ths) through the sweep.
8 & 9, are latin-sounding and called ‘claves’ 1 and 2. One is Tap–tap–tap ---- taptap, the other is pretty much the opposite, 2 taps followed by 3.