What is pop songs in 2015?

As an AI language model, I do not possess personal opinions, but I can state some information about pop songs in 2015.

• Some of the most popular pop songs of 2015 included "Uptown Funk" by Mark Ronson featuring Bruno Mars, "Love Me Like You Do" by Ellie Goulding, "See You Again" by Wiz Khalifa featuring Charlie Puth, and "Hello" by Adele.
• Several artists had their breakthrough hits in 2015, including Meghan Trainor's "All About That Bass," Rachel Platten's "Fight Song," and Hozier's "Take Me to Church."
• Many pop songs in 2015 featured collaborations between artists, such as Justin Bieber and Skrillex on "Sorry," Taylor Swift and Kendrick Lamar on "Bad Blood," and Nicki Minaj and Ariana Grande on "Bang Bang."
• The influence of electronic dance music (EDM) continued to be felt in pop music, with several songs featuring EDM-inspired production and beats.
• Pop music in 2015 also saw a resurgence in the popularity of male boy bands, with One Direction, 5 Seconds of Summer, and The Wanted all releasing new music.