Gaobeidian City, bumping into the river village of the "on the four tunes" belongs to the Liu Zi string Suo cavity system of a local opera plays. This kind of singing is simple, the voice is simple, the performance form is lively, the singing is beautiful and beautiful, the life atmosphere is strong, is the local audience enjoys the opera type. For a long time, on the four tunes and the local people's spiritual and cultural life is closely related to the local annual festival and other folk festivals, on the four tunes as a local opera has its own unique historical and cultural value, artistic performance value and unique artistic style.