Rhythm Pyramids Running with the Lego analogy, it's helpful to visualize the note values as a pyramid beginning at the top with a whole note and halving the note as you move down to create short/faster note values. Most musicians will only use whole, half, quarter, 8th, and 16th note values.

The music note tree is a visual representation of the time values of notes. You might also see it referred to as a rhythm tree or a note pyramid, but these are all the same thing. Here is the music note tree drawn out (there’s a US note value version below).