The former Dirty Projectors member writes on Facebook that she'll "leave it up for 24 hours" - so hurry if you wanna take a listen.

"First improvisation since the sad times have begun," she continues. "It's not the happiest sounding song."

This is the first new solo material since last year's The Expanding Flower Planet LP, although she has teamed with Boots and recorded a Janet Jackson cover since its release