【 Robin Frederick 】の作品Study the Hits: Learn the Secrets of Today's Chart-Topping Hits (English Edition)製作者 Robin Frederick販売元 Sound Experience発売日 2014-09-30The 30-Minute Songwriter: Write, Develop, Polish & Pitch Your Songs in 30 Minutes a Day (English Edition)製作者 Robin Frederick販売元 Sound Experience発売日 2014-10-18