Their success continued until the 1970s, when the government began discouraging the use of Taiwanese lyrics in songs. At that time, the government began to require that record companies acquire the rights from songwriters before releasing their songs, forcing lyricists and composers to sell their copyrights to the record companies on the cheap. Over time, many Taiwanese songs were lost, and Taiwanese songwriters fell on hard times.
直到台語歌曲遭到打壓的七○年代，當時還規定唱片業者必須取得創作者的「讓渡書」才能發片，作詞、作曲家的版權大多只好賤賣給唱片公司，許多台語歌謠逐漸沒落，詞曲家也都陷入慘澹辛苦的日子。