“空约调”是最新发现的长阳南曲曲牌。长阳南曲是牌子曲。牌子曲,又叫清曲、清音、小曲、曲子等。它是明清时在民歌小曲基础上继承宋元南北散曲而发展起来的一种曲艺。南曲曲牌是中国传统音乐的一部分,是具有浓郁民族民间特色和鲜明地方风格的非物质文化遗产。把握南曲音乐跳动的脉搏,从而考察南曲音乐的历史生命进程,是南曲曲牌研究的一个重要课题。 “Empty about ” is the latest discovery of Changyang Southern Song Qu. Changyang Southern Song is a brand song. Brand song, also known as Qing Qu, voiceless, song, song and so on. It is a kind of folk art developed in the Ming and Qing Dynasties on the basis of folk songs. Nanqu song is a part of traditional Chinese music, is a non-ferrous cultural heritage with rich folk features and distinctive local style. Grasping the pulse of Nanqu music and examining the historical life process of Nanqu music is an important issue in the study of Nanqu tune.