After rock producer Bob Ezrin called Kanye’s music unmemorable, the rapper tweeted the old guard in the music industry are embarrassing and out of touch.

Kanye West tweeted a question on Tuesday.

Twitter: @kanyewest

Matt Sayles / AP

Bob Ezrin is a 66-year-old producer best known for his work with Alice Cooper, Kiss, and Pink Floyd.

Jim Ross / Getty Images

Ezrin wrote a review critical of Kanye, calling his music unmemorable compared to rappers such as Jay Z and Tupac.

Twitter: @kanyewest

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