* '''Trey Records '''
In late 1959, Sill and Hazlewood formed Trey Records, a Hollywood-based imprint distributed by Atlantic. Trey Records signings included Phil Spector, fresh off the success of his group [[The Teddy Bears]]', chart-topping pop classic, "[[To Know Him Is to Love Him]]". Sill allowed Spector to live in his Sherman Oaks home, sharing a room with Joel Sill<ref name="Ribowsky 2000 p. 54">{{cite book | last=Ribowsky | first=M. | title=He's a Rebel: Phil Spector, Rock and Roll's Legendary Producer | publisher=Cooper Square Press | series=G - Reference, Information and Interdisciplinary Subjects Series | year=2000 | isbn=978-0-8154-1044-7 | url=https://books.google.com/books?id=jsQRwiwtlN0C&pg=PA54 | access-date=2019-11-07 | page=53-62}}</ref> Spector worked as an apprentice to Leiber and Stoller, as a studio musician and studio technician.<ref name="nyt Spector Dead"/>
* '''Gregmark'''