Christina Perri performs her cover of "Have Yourself A Merry Little Christmas" in an exclusive recording session live at The Fortress in Los Angeles, CA for The Live Room on The Warner Sound.

The song "Firework" from singer Katy Perry's third studio album sold over 7 million copies in the United States. The music video was filmed in Budapest and was nominated one of the top 50 videos of the year.

With "What Do You Mean?" Justin Bieber became the youngest male pop star in music history to debut at number one on the Billboard Hot 100 chart.

John Lennon's last live performance, filmed at the "Salute to Lew Grade" on April 18, 1975.

Shakira, singer and UNICEF Goodwill Ambassador, performs at the opening ceremony of the Sustainable Development Goals Summit at the General Assembly of the United Nations, 70th session.

"Every Breath You Take" is a song recorded by the London-based band the Police. It was written by Sting and was nominated that year for several Grammy awards. Enjoy!

For the video for her song "Bad Blood," Taylor Swift had many of her famous friends make cameos. Their work paid off - it won video of the year at the 2015 MTV Video Music Awards!

Here is the 1972 opening track of The Rise and Fall of Ziggy Stardust and the Spiders from Mars album, by David Bowie. In this "Five Years" melody which was inspired by a dream, the British singer foresees what would be the end of the world… with compassion and melancholy.

After the break-up of his band Passenger, lead singer Mike Rosenberg kept the name for his own solo projects. Here he is singing his hit recording from July 2012 Let Her Go. Enjoy!

Featured on Ellie Goulding's third studio album, "Love Me Like You Do" debuted at the top of the UK charts.

The 1983 video for Michael Jackson's "Thriller" showed an unprecedented combination of music and filmmaking that has since had a profound effect on music videos.