testa

right|150px|thumb|Parts of the note thumb|Noteheads of quarter (and all further subdivisions), half, whole, and double whole notes right|thumb|Left: breve in modern notation. Centre: breve in mensural notation used in some modern scores as well. Right: less common stylistic variant of the first form. thumb|Regular, cross, square, and small noteheads thumb|Ride pattern on a cymbal thumb|Natural harmonics on the cello notated first as sounded (more common), then as fingered (easier to sightread).