Simplify the following text for a Grade 10 native English-speaking person.
Original: It is a recording of John Harris ( working for NME at the time ) interviewing brothers Noel Gallagher and Liam Gallagher of Oasis in early 1994 , on the verge of their commercial breakthrough .
Simplified: It is a recording of John Harris interviewing brothers Noel Gallagher and Liam Gallagher of Oasis in early 1994 .