Binary
Structure = AB
Description = 2 contrasting sections
Ternary
Structure = ABA
Description = Return to the first section after a contrast
Rondo
Structure = ABACA
Description = Main theme keeps returning
Middle eight
Structure = 8 bars
Description = A short contrasting section in pop
Strophic
Structure = AAA…
Description = Same music repeated with different lyrics
Themes & Variations
Structure = A,A1,A2
Description = Same melody changed each time
Verse & Chorus
Structure = VCVC
Description = Versus tell story, Chorus is repeated