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How to practice a hard song with a metronome: step by step
You won’t learn a passage that is too fast for your fingers by playing it at full speed and hoping it eventually works. Every failed attempt also rehearses the mistakes: fumbled notes, tension, a tempo that rushes through the easy bars and drags through the hard ones. The safest method, known to most teachers, fits in one sentence: slow down until you play it cleanly, then speed up little by little.
A metronome is the perfect tool for this, as long as you use it methodically.
Why playing slowly works
At a slower speed you have time to think about every note: fingering, hand position, attack, breathing. You play it right, and that right movement is what you repeat. By raising the tempo gradually, you keep the same quality instead of falling back into bad habits.
The metronome also stops you from cheating. Without it, you slow down on the hard bars without noticing and speed up on the others. With it, the tempo stays the same from start to finish, and the weak spots show up straight away.
Find your starting tempo
The right starting tempo is not the one where you play it “more or less”: it is the one where you play the passage three times in a row without a mistake, relaxed. If you can’t, go slower. There is no shame in starting at half the tempo, or even less.
A simple way to do it:
- Set the metronome to the real tempo of the song, from the recording or the score.
- Play the passage at 50% of that tempo.
- If it is clean three times in a row, move up to 60%. If not, stay at 50% as long as you need.
Go up in 10% steps
Once you have your starting point, go up in steps: 50, 60, 70, 80, 90, then 100%. At each step the rule is the same: three times in a row without a mistake before moving on.
Regular steps have one big advantage: you know exactly where you are. “I can play the solo at 70%” is clear information that you can compare from one week to the next.
Don’t try to do everything in one session. It is common to go up one or two steps a day, then get stuck on one step for a few days before it suddenly clicks. The next day, start one step below the one you reached the day before: it works as a warm-up, and it often goes better than expected.
When a step won’t budge
If you keep stumbling on the same step:
- Go down one step and play the passage cleanly two or three times before trying again.
- Isolate the problem. Usually it isn’t the whole passage, but two or three notes, a position shift, a jump. Practice just those few notes, slowly, then put them back into the phrase.
- Check that you are relaxed. A raised shoulder, a clenched jaw or a thumb squeezing the neck are signs that the tempo is too fast for now.
- Stop for today. A passage that won’t come out in the evening sometimes works effortlessly the next day.
An example over one week
Say you have a guitar riff at 120 BPM that you can only play cleanly at 60 BPM:
- Day 1: 50% (60 BPM), then 60% (72 BPM).
- Day 2: warm-up at 60%, then 70% (84 BPM).
- Day 3: 70%, then 80% (96 BPM), which still trips you up.
- Day 4: 80% clean, first try at 90% (108 BPM).
- Days 5 to 7: 90%, then 100% (120 BPM).
This is only an example: some passages take two days, others three weeks. What matters is moving forward without ever giving up on clean playing.
With TempoClic
TempoClic was built around this method:
- Create a song with the real tempo of the piece, at 100%. Set its time signature too.
- Under the tempo, the 50%, 60%, 70%, 80%, 90% and 100% buttons change the speed played without touching the original setting. On a keyboard, the up and down arrows move from one step to the next.
- The chosen speed is saved with the song: next time, you pick up at the step where you left off.
For a really hard passage, create a separate song just for it, for example “Solo, bars 17 to 24”. That way you track its progress separately from the rest of the piece.
The guide explains every setting.