Sennheiser Electronic GmbH and Co., KG Shure, Inc. Bourns, Inc. Messe Frankfurt GmbH RCF SpA Other World Computing, Inc. (OWC) QSC Holdings, Inc. dba QSC, LLC Ableton AG Knobbe, Martens, Olson, and Bear, LLP Eastman Strings, Inc. dba Eastman Music Co. Waves Audio, Ltd. HM Electronics, Inc. SF Marketing, Inc. D'Addario and Co., Inc. West Coast Guitar Distribution, Inc. (WCGD) Taylor-Listug, Inc. dba Taylor Guitars L-Acoustics SAS Universal Audio, Inc. Mitchell Silberberg and Knupp, LLP (MSK) Audio-Technica Corp. dba Audio-Technica U.S., Inc.