
1) Four-line rhyme scheme 2) Rhyme scheme 3) Rubaiyat rhyme scheme 4) Rubáiyát stanza scheme 5) Scheme for Frost
Found on
https://www.crosswordclues.com/clue/aaba

AABA is a shorthand notation for a common song form where A is the main theme and B is a bridge theme. AABA means that the main theme A is played twice, foloowed by the bridge, B, before a testatement of the original theme A. Sections are of the same length, often 8 bars each giving 32 bars in total.
Found on
http://www.songstuff.com/glossary/A

The most common form in pop music. Typical of songs by Gershwin, Cole Porter, Harold Arlen, etc. See Song Form.
Found on
https://www.apassion4jazz.net/glossary5.html
No exact match found.