A louder pattern can feel more energetic even when its timing stays similar. You can explore that impression with a quiet tabletop exercise. Choose a soft, safe surface and make four evenly spaced taps at a comfortable level.
Keep the pattern simple
Repeat the four taps several times, then play them a little more firmly without deliberately speeding up. Avoid loud impacts or anything that could damage the surface. The aim is a modest contrast, not the greatest possible volume difference.
Notice whether your timing changes unintentionally. If it does, slow down and try again. You are comparing two versions of the same pattern, so a changed rhythm would introduce another variable.
Describe the impression separately
Write what you changed physically, then how the result felt. “The second version used firmer taps” is different from “the second version felt more urgent.” Both can belong in the note, but they answer different questions.
If you record the exercise, listen at a comfortable playback level and remember that the device may alter recorded loudness. This is an informal listening experiment, not a measurement. Its value is in noticing how quickly we connect an audible difference with an emotional description.