Singer Mark Donnelly trips over a rug while singing the Canadian National Anthem.
 

Luc Arbogast is a French musician and singer with an amazing talent. He can sing with a woman/angel voice (countertenor) like only few men can.
 

Here's the original if you want to compare.

He starts with Jason Derulo, then AC/DC, Ray Charles, the Bee Gees, White Zombie, Hootie & The Blowfish, Aventura, Slayer, Bob Marley, The Beach Boys, Will Smith, Kataklysm, System Of A Down, Slick Rick, Bone Thugs-N-Harmony, Scatman John, Barry White, Josh Groban, Muse and finally Cab Calloway.

Previously:

Katy Perry's 'Dark Horse' in 20 different styles

But those are tears of joy as he's watching the world dance to his song 'Happy'.
 

He starts with Katy Perry then Nirvana, Queen, Michael Jackson, N'Sync, Iron Maiden, Jamiroquai, Pantera, Franck Sinatra, Metallica, Pavarotti, The Doors, Run DMC, Tech N9ne, Red Hot Chili Peppers, Slipknot, Louis Prima, Boyz II Men, Type 0 Negative and finally John Mayer.

During a live concert in New York, singer Valeska Steiner from Swiss/German pop duo 'BOY' gets overwhelmed when she realizes the audience is singing along during their debut.

You should remember her from the video where she makes impressive diva impressions of 'Total Eclipse of The Heart'.

This time she covers 'Let It Go' from Disney's 'Frozen' as famous female vocalists like Idina Menzel, Demi Lovato, Britney Spears, Alanis Morissette, Celine Dion, Kristin Chenoweth, Adele, Julie Andrews, Barbara Streisand, Christina Aguilera, Kelly Clarkson and Liza Minnelli.

This German street musician had the big surprise of meeting Jimmy Somerville while he was actually singing his song 'Smalltown Boy'.

For those having no clues, Jimmy Somerville is a famous pop singer from the 80s, lead singer of the British band Bronksi Beat.
 

Comedian and singer Christina Bianco performs an impressive cover of Bonnie Tyler’s ‘Total Eclipse of the Heart’ as 18 different divas (Adele, Celine Dion…)
 

am song writer and papular singer in my cuntry.its my video allbum song

Lol