Record Plant
In 1967, Kellgren and Stone built the first of the three Record Plant Recording Studios in Manhattan. Kellgren was the creative and recording side, Stone the business side, and their third partner, Ancky Johnson, Revlon heiress, provided the financial backing. Kellgren had already been working with many of the top artists of the day, like Hendrix, so when he opened the Record Plant, they followed. Mitch Mitchell: "We went there [the Record Plant NY] because Gary Kellgren, who we'd worked with at Mayfair, had raised the money with a partner and managed to start the Record Plant." The NY Record Plant was booked solid for three months in advance at the time of the opening.