Hayley Williams shared a new song, titled “Mirtazapine,” on Tuesday night on Nashville radio station WNXP. The track, named for a common antidepressant, is a mid-tempo, shoegazey rock number that sees the Paramore singer unleashing her signature howling vocals.

Paramore lead singer Hayley Williams threw fans a musical curveball when she surprise released 17 new songs on her website.

Uploaded to her website hayleywilliams.net, the Paramore singer has unveiled 17 new solo tracks – including last week’s surprise song Mirtazapine –