Simplify the following text for a Grade 9 native English-speaking person.
Original: In 1970 , she began work in New York as a receptionist at ABKCO Records , Allen Klein 's management office , which at that time represented Apple Records and three former Beatles : Lennon , George Harrison , and Ringo Starr .
Simplified: Pang was a secretary at ABKCO , a management company started by Allen Klein , in New York City . ABKCO 's clients included three of the Beatles : Lennon , George Harrison and Ringo Starr .