These are officially the UK's Top 40 biggest singles of What a year it's been for pop music! Now that is done and dusted and. The hot top pop songs downloaded at iTunes music store. Mercy - Shawn Mendes Cover Art. Mercy Shawn Mendes. Genre: Pop ; Release Date. Top 40 / Pop - listen online to music and talk radio. Top 40 Pop Hits (Channel One)- stargameapp.review All of today's hits.