世界歌謡祭
Tyler's first tour of Japan took place in 1979. During her visit, she represented the United Kingdom in the World Popular Song Festival held in Tokyo. Tyler won the competition with the song "Sitting on the Edge of the Ocean", written by Scott and Wolfe. "I Believe in Your Sweet Love" was also released in 1979, and listed as a single of the week in 1979 by "Record Mirror "upon its release.