Tokyo, Japan--Otsuka Pharmaceutical Co., Ltd. (Head Office: Chiyoda-ku, Tokyo, Japan; President and Representative Director: Taro Iwamoto) hosted the "Exciting Summer in Wajiki" live music concert on the outdoor stage in the premise of its Tokushima Wajiki Factory on Thursday, August 13, 2010. The 21st annual event was organized in conjunction with the municipal government and the commerce and industry association of Nakacho (the hosting town), and Tairyuji Ropeway.