Queens rap group Run-DMC was already a major force in music when it released “Raising Hell” in 1986—an album that would go on to redefine hip-hop.

Featuring the groundbreaking collaboration “Walk This Way” with Aerosmith, the record became the first hip-hop album to reach platinum and multi-platinum status.

In his new book, “Run-DMC and Raising Hell: 40 Years,” hip-hop historian JayQuan takes a deep dive into the album and its tracks.

He joined “Mornings On 1” this week to discuss more.

Tap the video player above to watch the full interview.