What is the fine-grained topic of the following text: In an exclusive interview given to digital arts service The Space, Sir Richard Branson admits that were it not for John Peel’s decision to play Mike Oldfield’s Tubular Bells it in its entirety on his BBC Radio One show Top Gear, the album would not have been a global smash and the rest of the Virgin empire would never have happened. Only return the topic.
Richard Branson's acknowledgment of John Peel's impact on Virgin empire's success.