The absence of avant-garde as a listed genre 

It seems lately the avant-garde genre has been under fire with an insistence that it practically doesn't exist in music other than decades old compositions. An insistence that music historically deemed "avant-garde" is to from now on only be categorized as "experimental". Such is the nature of Wikipedia's current avant-garde music article. Nevertheless, this article currently drops numerous references to Zappa's interactions with the very real genre. Zappa agrees to the genre in a 1974 interview.Frank Zappa Interview, 1974 Does anyone have an objection to its inclusion? If so, please permanently append a reason why to the talk page  

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