Assertion: concept album | /r/CapableOf | begin featuring in early 1960s
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text: In the early 1960s, concept albums began featuring highly in American country music, however the fact went largely unacknowledged by rock/pop fans and critics who would only begin noting "concept albums" as a phenomenon later in the decade, when albums became closely aligned with countercultural ideology, resulting in a recognised "album era" and the introduction of the rock concept album.