Question: What song from Rihanna's album "Unapologetic" did pianist Tokio Myers play in semi-final 3 of the 2017 reality show "Britain's Got Talent"?
Sentence (from "Britain's Got Talent"): Produced by both Thames (formerly Talkback Thames) and Syco Entertainment production, and distributed by FremantleMedia, it has been broadcast on ITV since June 2007, and is hosted by Ant & Dec, with each series accompanied by a sister show on ITV2 entitled Britain's Got More Talent.
Relevant evidence: No