Crash Test Dummies, a Canadian folk-rock band, perform their song “Mmm Mmm Mmm Mmm.” The song was featured on their second album, God Shuffled His Feet

English ghetto pop artist and songwriter Jessie J performs her 2010 hit Do It Like A Dude .

Steve Skaith reflects on life and relationships in the song "Other Mothers" from the album "Empires & Us."

The British band Madness had a major UK hit with this song, and with good reason: heartfelt and nutty in equal measure, it would bring the house down at every Madness show. The video — filmed above and below water — is one of their classics, with cameo appearances by Big Bird, a killer whale, and Labi Siffre, who wrote the song.

Black Widow is a song by Australian rapper Iggy Azalea, from her debut studio album The New Classic. The song's hook is sung by British recording artist Rita Ora. The lyrics chronicle revenge and disappointment in a failed romantic relationship.

Katie Melua accompanies herself on the guitar in a performance of "Fields of Gold", a simple, nostalgic song made famous by Sting, who wrote it and originally recorded it.

"Lonely Together" is a song by Swedish DJ Avicii, featuring British singer Rita Ora. The song is about heartbreak, facing the facts, but also an attempt to feel better through companionship, feeling a bit less lonely.

"I Miss You" is a breakup song by British electronic music group Clean Bandit, featuring vocals from American singer and songwriter Julia Michaels. It was written by Jack Patterson, Grace Chatto, and Julia Michaels.

Listen to U2's “You're the Best Thing about Me.” Rolling Stone magazine defines the song as “a joyous ear-worm about romantic dissatisfaction.” The video is set in New York City. The opening and closing lines of the video come from “The New Colossus” by Emma Lazarus, a sonnet written to raise funds for the Statue of Liberty's pedestal.

Australians Kylie Minogue and Nick Cave of the band Nick Cave and the Bad Seeds sing a beautiful but macabre duet about a man who brought his sweetheart to a river and killed her. A 19th century Irish song entitled “Down in the Willow Garden” inspired Cave to write the song.

Sometimes all you need is a flashlight to find your way in the dark. That's how Jessie J feels about her boyfriend.

The Hooters, a Philadelphia rock band, has received a lot of attention in Europe, and particularly in Germany. The song and video raise awareness about the homeless who “sleep all night on a pillow of stone.”

The title "Rockabye" is taken from the famous nursery-rhyme lullaby "Rock-a-bye baby on the tree top." The song is an electronic pop lullaby, and touches on the hardships of single mothers trying to bring up their babies right. It is sung by Anne-Marie in the role of the mother comforting her baby, and by Sean Paul who gives his support, singing in Jamaican English, so be on the lookout for unconventional grammar in the lines he sings.

Ed Sheeran delivers his love song “Perfect” in a wintery wonderland. The romantic ballad is about falling in love with his girlfriend, Cherry Seaborn. Despite the thick orchestral accompaniment, and some UK pronunciations, such as in "grass" and "dancing," the song has a country western feel to it. In the video, Sheeran's girlfriend is portrayed by the actress Zoey Deutch.

Bruno Mars talks about his musical background and his collaboration with Philip Lawrence. They started working together in Los Angeles and their collaboration has led to numerous recordings, concerts, and awards. Both artists are Grammy-winners. Music critic Sarah Rodman wrote that Bruno Mars has an “indefatigable ecstatic approach to performing.”