Disney and Pixar Characters Sing 'Let It Go'

This YouTube video is a cover of the popular song, "Let It Go," from the animated film Frozen. This cover is performed by Brian Hull, but he sings in the voices of different characters from Disney and Pixar. Check out this impressive cover above.

'Happy' (Pharrell Cover) - Pentatonix

This YouTube video is an a cappella cover of Pharrell's hit song, "Happy." This cover is performed by the group Pentatonix. Check out this awesome cover above.

'Best Day of My Life' - American Authors

This YouTube video is from VEVO. This is a music video for the song "Best Day of My Life" by the band American Authors.

'Stay' (Rihanna Cover) - Eli Lieb

This YouTube video is a cover of Rihanna's song featuring Mikky Ekko called "Stay." This cover is performed by Eli Lieb. Check out this awesome video above.

Music Video: 'Young Love' - Eli Lieb

This YouTube video is the official music video for an original song by talented singer/songwriter Eli Lieb. The title of this song is "Young Love." Check out this awesome video above.

Follow Eli Lieb on Twitter: @EliLieb

Miley Cyrus, Jimmy Fallon, & The Roots' A Cappella Cover of 'We Can't Stop'

This YouTube video is from Late Night with Jimmy Fallon on NBC. This is an a cappella cover of Miley Cyrus' popular song "We Can't Stop." This cover is performed by Miley Cyrus, Jimmy Fallon, and The Roots.

'Wrecking Ball' (Miley Cyrus Cover) - Eli Lieb

This YouTube video is a cover of Miley Cyrus' popular song "Wrecking Ball." This cover is performed by singer Eli Lieb. Check out this awesome cover above.

'Royals' (Lorde Cover) - Pentatonix

This YouTube video is from Pentatonix. In this video, they cover Lorde's popular song "Royals." Check out this a cappella cover above.

The Lumineers Perform New Song from Upcoming 'Hunger Games' Film

This YouTube video is of The Lumineers performing a new song at one of their shows. The song, entitled "Gale," is part of The Hunger Games: Catching Fire soundtrack. According to IMDb, the film is set to premiere on November 22, 2013.

Zedd - 'Clarity' (Mike Tompkins' A Cappella Cover)

This YouTube video is from the talented Mike Tompkins. This video is a completely a cappella cover of the music and lyrics for the popular song "Clarity" by Zedd. Check out this awesome video above.

Celtics Fan Dances to Bon Jovi's "Livin' on a Prayer"

This YouTube video shows a Celtics fan capturing audience attention by dancing his heart out to Bon Jovi's classic song "Livin' on a Prayer." Check it out above.

Karmin - 'Acapella' (Acoustic)

This YouTube video shows Karmin performing an acoustic version of their song "Acapella." Check out this awesome video above.

Scott Dunbar One Man Band Performs 'Tin Foil Hat'

This YouTube video, which was found through StumbleUpon, shows Scott Dunbar One Man Band performing his song "Tin Foil Hat." Be sure to check it out above.

Mumford & Sons - "I Will Wait"

Yesterday on iTunes I came across this new single by Mumford & Sons called "I Will Wait." This single is from their upcoming new album entitled Babel, which is set to release on September 25, 2012. Be sure to listen to this great new song above.

Miami Dolphins Cheerleaders Cover "Call Me Maybe"

The other day I came across this YouTube video of the Miami Dolphins cheerleaders covering Carly Rae Jepsen's popular song "Call Me Maybe." Be sure to watch this awesome video above.

Yellowcard - 'Gifts and Curses'

Today on YouTube I came across this music video for Yellowcard's song "Gifts and Curses." This song, from the Spider-Man 2 soundtrack, is an old one, but it's still amazing. The video is a compilation of clips from the film. Be sure to watch this awesome video above.

'Payphone' and 'Call Me Maybe' Mashup

Today on YouTube I came across this great mashup of Maroon 5's "Payphone" and Carly Rae Jepsen's "Call Me Maybe." This is an acoustic cover performed by Eric Thayne and Caleb Blood. Be sure to watch this video above.

Yellowcard - 'Always Summer' (New Single)

Today marked the release of a new single by the band Yellowcard. Their new single titled "Always Summer" is now available on iTunes. Be sure to listen to this awesome song above. Also, be sure to follow the band on Twitter @Yellowcard.

Tiffany Alvord & Chester See Cover Katy Perry's 'The One That Got Away'

Today on YouTube I came across this cover of Katy Perry's song "The One That Got Away." This cover is performed by two talented singers named Tiffany Alvord and Chester See. See can actually be seen performing in the "Bromance" official music video. Be sure to watch this awesome cover above.

'Look At Me Now' Cover by Karmin

This video is a little over a year old now, but it's still amazing. This video is of Karmin, composed of Amy Heidemann and Nick Noonan, covering Chris Brown's song, featuring Lil Wayne and Busta Rhymes, called "Look At Me Now." Be sure to watch this amazing video which has amassed an incredible 65 millions views on YouTube.