"Holy Water" is a song recorded by American singer and songwriter Madonna for her thirteenth studio album, Rebel Heart (2015). The song was written by Madonna, Martin Kierszenbaum, Natalia Keery-Fisher, Mike Dean, Kanye West and Tommy Brown. It was produced by Madonna, Dean and West, with Charlie Heat serving as co-producer. The demo of "Holy Water" leaked on the internet in late December 2014 and later its full version leaked in February 2015, a month prior to the album's release. "Holy Water" is an electronica and technopop song, and it features minimalist bass stutter, ricocheting synths and "martial beats" in its instrumentation.