Beats (pulse) Rhythm Cupsong rhythm
Beat have 2 parts named as
Tesis Down beat
Arsis Upbeat
Quarter note has it all
Eighth note :
one 8th note on the downbeat
the second on the Upbeat
On the Cupsong has the Iambic rhythm
Eighth rest (downbeat) 8th note (upbeat)
Quarter note
Vivaldi have Iambic Rhythm on Allegro non Molto Summer on the cuckoo accented by the melody.