Mario & Luigi RPG: Sound Selection

Mario & Luigi RPG: Sound Selection (「マリオ＆ルイージＲＰＧサウンドセレクション」) is a soundtrack CD currently available only to Club Nintendo members in Japan. It costs 400 points to purchase and contains thirty-three tracks from the entire Mario & Luigi series, nine from Superstar Saga, six from Partners in Time, and twenty-one from Bowser's Inside Story.

Source

 * http://club.nintendo.jp/present/itempop_p090.html