As noted when covering Ariel Pink live @ Irving Plaza this past summer, Californians Piper and Skylar Kaplan, aka Pearl Harbor, changed their name to Puro Instinct. Under the new moniker, the sisters are joined by aforementioned tourmate Ariel Pink on "Stilyagi," the A-Side of a 7" out next month. After that, look for their debut full-length Headbangers In Ecstasy, ...