ON THE BOX: NERVOSA – “Ghost Notes” Brazilian thrash outfit Nervosa have unleashed the video for their ferocious new single “Ghost Notes” , the latest preview of their upcoming sixth album Slave Machine , due for release on April 3 via Napalm Records. Driven by chugging riffs, relentless drumming and the unmistakable snarl of guitarist-turned-frontwoman Prika Amaral, “Ghost Notes” captures the band in full attack mode. The track balances groove-heavy thrash with sharp melodic