EarthQuaker Devices and Yamaha Music Japan Co., Ltd. Announce Exclusive Japanese Distribution Effective October 4, 2017 AKRON, Ohio & Hamamatsu, Shizouka, Japan — EarthQuaker Devices, LLC and Yamaha Music Japan Co., Ltd today announced that effective October 4, 2017, Yamaha Music Japan Co., Ltd will be the exclusive distributor of EarthQuaker Devices effects pedals in …