Although a unidirectional English "progressive" style emerged in the late 1960s, by 1967, progressive rock had come to constitute a diversity of loosely associated style codes.[6] When the "progressive" label arrived, the music was dubbed "progressive pop" before it was called "progressive rock",[4][nb 1] with the term "progressive" referring to the wide range of attempts to break with standard pop music formula.[8]
At the time, critics generally assumed King Crimson's album In the Court of the Crimson King (1969) to be the logical extension and development of late 1960s proto-progressive rock exemplified by the Moody Blues, Procol Harum, Pink Floyd, and the Beatles.[9] According to Macan, the album may be the most influential to progressive rock for crystallizing the music of earlier "proto-progressive bands... into a distinctive, immediately recognizable style".[10] He distinguishes 1970s "classic" prog from late 1960s proto-prog by the conscious rejection of psychedelic rock elements, which proto-progressive bands continued to support.[1]
This article uses material from the Wikipedia article Proto-prog, and is written by contributors.
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