song structure
- verseMetered poetic passage
- chorusSingers performing together
- bridgeStructure spanning an obstacle
- hookCurved catching device
- refrainAbstain from acting
intro · outro · breakdown · buildup · coda · melody · rhythm · stanza · lyric · arrangement · tempo · crescendo · fade · loop · beat · phrasing · motif · riff
song structureformlessness
Lacking definite shape
through-composed · free jazz · freeform · stream of consciousness · structurelessness