Thus when a folk-oriented style of music developed in the 1960s, Frith terms it "folk rock", and the pop-infused styles of the 1970s were called "pop rock".
Así, cando un estilo de música orientado ao folk desenvolveuse nos anos 60, Frith denominouno "folk rock", e os estilos infundidos polo pop dos anos 70 foron chamados "pop rock".