Rupert Grint - Lightning (“Postman Pat” Soundtrack).
It's an impressive performance, one he says he was surprised by himself. “I'm not convinced it's me,” he laughs.
“It is quite an easy, catchy song but I just did it because I thought it would be quite fun but they have obviously done some kind of auto-tuning,” Rupert Grint said to BBC Radio about the track called “Lightning”.