Farrell worked with Lon Varnell of Varnell Enterprises from 1970.[4] He assisted with concert promotions, marketing, and supervision of events for acts such as Elvis and Elton John.[5] Farrell started working with Garth Brooks in 1989.[6]
Farrell was nominated for Promoter of the Year several times by the Academy of Country Music Awards; and was inducted into the International Entertainment Buyers Association's Hall of Fame in 2016 after having booked or promoted more than 5,000 concerts.[7]