If the time is 4/4, the following notes would be: A quarter note (1/4 or 2/8) of the measure) A half note (2/4 or 4/8) of the measure 2 eighth notes (2/8) of the measure.
It extends the note for half it's value for example: a dotted quarter is worth one and an half beats.A dotted half note is worth three beats.a dotted whole note (which is rare) is worth six beats....
Most of the time it has four, but technically the whole note is as long as the entire (whole) measure. Since 4/4 is the most common time signature the whole note usually equals 4 beats but in say,...
