Sorry is a song by Canadian singer Justin Bieber. It was released on October 22, 2015, as the second single from his fourth studio album, Purpose. The song is a dancehall pop, tropical house, and moombahton song with a moderate tempo. The lyrics of the song are about a man who is trying to apologize to a woman for his mistakes.

Sorry was a massive commercial success, becoming the best-selling single of 2016 and the most-streamed song of all time on Spotify. It also topped the charts in over 50 countries, including the United States, where it became the longest-running number-one single by a male artist since Mariah Carey's "One Sweet Day" in 1995.

The song received generally favorable reviews from music critics, who praised its catchy melody, danceable beat, and Bieber's vocals. The song was also nominated for two Grammy Awards, including Record of the Year and Song of the Year.

Here are some of the reasons why Sorry is such a popular song:

The catchy melody is easy to remember and sing along to.
The danceable beat makes people want to move their bodies.
Bieber's vocals are smooth and soulful.
The song's lyrics are relatable to many people who have made mistakes.
The music video is well-produced and features some great dancing.

Sorry is a great example of a pop song that has all the elements of a hit. It's catchy, danceable, and has a great vocal performance. If you're looking for a new song to add to your playlist, I highly recommend checking out Sorry.