Both "indie" and "indie pop" had originally referred to the same thing during the late 1970s, the concept of "indie music" did not crystalize until the late 1980s and early 1990s.
Both "indie" and "indie pop" had originally referred to the same thing. The concept of "indie music" did not crystalize until the late 1980s. This was during the late 1970s. The concept of "indie music" did not crystalize until early 1990s the same thing. This was during the late 1970s.