Exclusive | Anti-rent radical and Mamdani pal who is squatting in Brooklyn is Grammy nepo baby

She’s unplugged from reality.A rent-striking, rising-star radical orchestrating the Mamdani administration’s socialist housing agenda is the daughter of a famed music studio owner who recorded rock legends like David Bowie, the Ramones, Blondie, Lou Reed, Sonic Youth, the Foo Fighters and Coldplay, The Post has learned.While framing herself as a champion of the proletariat, Tracy Rosenthal grew up in a trendy $1.7 million NoMad pad with elite access to the music industry — attending the Grammys at least twice with her dad, four-time winner Steven Rosenthal.Her father recorded hit albums by some of the world’s biggest artists at the Magic Shop, the SoHo studio he founded in 1988, including Coldplay’s 2008 “Viva la Vida,” which sold more than 10 million copies worldwide; the Foo Fighters’ 2014 “Sonic Highways,” for which he was interviewed in the band’s HBO docuseries; and Bowie’s final album, 2016’s “Blackstar.”Yet despite her first-class upbringing, she’s been on a four-year “rent strike” since moving back to New York City after a stint in Los Angeles — because the Bolshevik bugged out after spotting a cockroach in her hip $2,300 a month Bed-Stuy apartment.At a North Carolina Democratic Socialists of America meeting where she spoke last August, Rosenthal, 39 — who pridefully posed for a snap on Karl Marx’s grave during a trip to London — sang the blues about what she claimed were horrendous conditions she had to endure in 2021.“As soon as I moved in, I realized that we had roaches ..

.and I lost my mind,” she said of the two-bedroom pad that occupies the top floor of a brownstone.

“I was very angry..

..

it’s really gross.”She said the landlord refused to hire an exterminator, and after finding out the building had more rental units than were legally approved and was facing foreclosure, she organized with the other tenants to eventually stop paying rent, stiffing the owner of at least $108,000 on her unit alo...