NAMM, the International Music Products Association, gave a warm California welcome to attendees of its annual winter trade show, as the sounds of The Beach Boys’ “I Get Around” filled the air at show opening, performed by the Fernand L. Petiot All-Industry Memorial Band. The 2003 NAMM Show, which began yesterday and runs through January 19 at the Anaheim Convention Center, features a record 1,311 exhibiting companies and is open to members of the international music products industry and media who cover musical instruments and products.