Green’s Dictionary of Slang

bands n.

[the rubber band that is used to contain piles of notes]

(US black) large sums of money.

Juicy J ‘Bands A Make Her Dance’ 🎵 All these chicks popping pussy / I’m just popping bands.
Chief Keef ‘Morgan Tracy’ 🎵 Get ’em [i.e. women] by the loads when I get them bands up.
67 ‘Low But Bait’ 🎵 Long trips for the bands got me miles away / More times I be kway out.