With the outbreak of the Sino-Japanese War in 1937 and the forced "Japanization" of Taiwan, many Taiwanese songs were reworked by the regime to convey political messages and instructions.
1937 年起，受中日戰爭爆發與皇民化運動影響，諸多閩南語歌曲被改填日本詞，成為政令宣揚的「時局歌曲」，像是〈慰問帶〉、〈台灣青年歌〉等愛國歌曲也應運而生。