A new study is fighting back at this narrative. Using data from Songmeanings API, Addictions.com did a study analyzing what musical genres mention drugs the most. It turns out it’s country music, by far, that has the most drug references in their music, followed by jazz, pop, electronic, and rock.
Hip-hop music actually comes in last of the eight genres analyzed:
Even more interesting, drug talk in music, in general, has plummeted. Spiking in the mid-aughts and dropping every year since. 
When looking at the artists who talk about drugs the most, rappers dominate the list. California rap group Kottonmouth Kings comes in at number one, followed by Eminem, The Game, Lil Wayne, and Jay Z.
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