0 a musical note with a time value equal to two crotchets or half a semibreve
1 a note that is typically equal to two times the length of a quarter note
This pattern then scales down again, to one quarter note and a half note.
A whole note (semibreve) divides into two half notes, a half note into two quarters, etc. and other notes are made by tying these together.
A half note with stem facing up, a half note with stem facing down, and a half rest.
In order of halving duration, we have: double note (breve); whole note (semibreve); half note (minim); quarter note (crotchet); eighth note (quaver); sixteenth note (semiquaver).
The last bar has two quarter notes and a half note.
It is played for half the length of a minim (or half note) and twice that of a quaver (an eighth note).
A metre change brings with it eighth-note motion - equal to the half notes in triple metre that gradually gives way to steady sixteenth-note motion by the end of the passage.
The foot is often compared to a musical measure and the long and short syllables to whole notes and half notes.