Progressive Music

Progressive folk, originating in the 1930s
Progressive bluegrass, originating in the 1960s and 1970s
Progressive pop, originating in the mid-1960s
Progressive rock, originating in the late 1960s
Art rock, originating in the late 1960s, sometimes used synonymously with progressive rock
Progressive metal, a fusion between progressive rock and heavy metal originating in the mid-1980s
Progressive country, originating in the 1970s
Progressive house, originating in the early 1990s
Progg, a Swedish political music movement originating in the late 1960s