陕西曲子里的《凤阳歌》曲牌,大多为四句体,基本保持了原曲牌的结构与落音规律,但也有例外而为两句体或三句体者,它多以曲牌前两句发展变化而成。例如:户县曲子中的《凤阳调》就是如此,由于它在旋律构成中运用了陕西的苦音音阶[5 6~↓7 1 2(3)4],所以,风格和色彩已与原曲牌有较大差异。见下例: Shaanxi song “Fengyang song” Tunes, mostly for four sentences, the basic structure of the original song and keep the rules of falling tone, but there are exceptions for two sentences or three sentences, it is more than the first two songs Change from development. For example, “Feng Yang Tune” in Huxian song is the case because it uses the bitterness scale of Shaanxi [56 ~ ↓ 7 1 2 (3) 4] in the composition of the melody, so the style and color have been compared with those of the original Tunes are quite different. See the following example: