Is there a definitive minor blues song? Let me know if you find one.

There are three songs I’d like to mention.

The Thrill is Gone by BB King   LINK YT
Am Am Am Am Dm Dm Am Am F E Am Am (12 bars – each chord is a bar)

Summertime by George Gershwin
Am6 E | Am6 E |Am6 E | Am6 E | Dm | F | E B7#9 | E7 | LINK YT

Am6 E | Am6 E |Am6 E | C | D7 | E7 | Am | E7 | 16 bars

Ain’t No Sunshine When She’s Gone by Bill Withers  LINK YT

Am G | Am | Am G | Am | Em | Dm | Am G | Am | 8 bar pattern.

St Louis Blues has a minor blues middle section.