Offered in partnership with Arthur Baker & Brenda K. Starr, the ultra-rare artifact surpasses expectations, setting a record as the highest-selling cassette by a female artist. Wax Poetics has confirmed the sale of an exceptionally rare early Mariah Carey demo tape for $54,050 . Sourced from producer Arthur Baker ’s personal archive and offered in partnership with Brenda K. Starr , the cassette was given to Baker on the same night Carey was discovered at a 1989 Christmas pa