Yū Aku
Yū Aku was famous for contributing lyrics to many recording artists since 1967. He was a prolific lyricist, writing more than 5,000 songs. Mainly during the 1970s, more than 20 of them reached #1 on the Japanese Oricon chart, and seven singles sold more than a million copies. Over 500 of his compositions which were released as singles have entered the Japanese record chart, and they sold in excess of 68 million copies from 1968 to 2007, making him the most commercially successful Japanese lyricist up to that point. As of 2015, total sales of the singles he has written exceed 68.3 million copies, making him the second best-selling lyricist in Japan behind only Yasushi Akimoto. In 1977, he wrote the lyrics to The TV Asahi Song for the occasion of the television channel’s name change to its current name.