Philadelphia Distilling used in the making bitters include prickly ash bark from a tree in Bartram's Garden in Philadelphia. The company's Bluecoat American Dry Gin won a double Gold Medal for Best Gin at the 2009 San Francisco World Spirits Competition. It also won a Gold Medal and the Best In Class award for Best Gin at the 2007 International Wine & Spirits Competition. Philadelphia Distilling Philadelphia Distilling is a microdistillery founded in March 2005 in the Byberry neighborhood of Philadelphia, Pennsylvania. It is the first craft distillery to open in Pennsylvania since before Prohibition. Robert Cassell got the idea to begin
What Love Is Made Of extremely positive about "What Love Is Made Of", describing it as "darker than anything" from "On a Mission", while calling it "slinky". The reviewer went on to commend the "irresistibly pouty" chorus. Pitchfork Media's Katherine St. Asaph commented that, in the song, the singer "sound[ed] completely enthralled, by either her lover or the music" and complimented her voice, noting that it seemed "ten times bigger than before". Jordan Sargent of "Spin" magazine called the track "exuberant" and highlighted Katy's vocal performance, which he deemed "typically fantastic", while the team from pop music website Popjustice gave "What Love Is Made Of"