January 6 commemorates the day that three dudes gave a bunch of gifts to baby Jesus. But... who were they and why did they have hipster beards?

Writer and star of the Broadway musical In the Heights, Lin-Manuel Miranda performs "The Hamilton Mixtape" at the White House Evening of Poetry, Music, and the Spoken Word. Accompanied by Alex Lacamoire.

The Pogues' alternative Christmas song is not about snowflakes, mistletoe or angels, but broken promises and ruined dreams, as well as time spent in the drunk tank. There have always been lots of policemen in New York City with Irish ancestry, hence the connection with the NYPD (New York Police Department).

The Tonight Show Starring Jimmy Fallon presents Gwen Stefani performing "Under the Christmas Lights," a Christmas-season love song from her album You Make It Feel Like Christmas.

This ballad, performed by the band Coldplay is set at Christmastime, with all its colorful lights, but is actually a sad break-up song and contrasts bleak inner sentiments with the bright lights outside. But all those lights can bring hope.

The consonant "Q" is a special letter. We almost never find it without a "U" following it. Sigrid gives us plenty of examples of how it's used.

Katie Melua lends her characteristic style to this gentle rendition of a well-known and loved Christmas song "O Holy Night". Melua accompanies herself on an acoustic guitar, and background vocals are provided by a choir.

The boys chant a version of the US Army cadence as they march, and Piggy's eyeglass lenses give Ralph a bright idea on how to start a fire. But once the fire starts...

Sigrid talks about some of the important aspects of the Christmas season: light, scents, food, and good company.

The band Bastille performs their version of the popular Christmas carol "O Holy Night." They have modified and modernized the lyrics, especially in the second verse, to be more earthly, rather than heavenly, and more pessimistic than optimistic. Dan Smith is the lead vocalist of the UK band. His birthday is on July 14th, Bastille Day, hence the name of the band.

Bon Jovi surprises the crowd at Sydney Entertainment Centre by ending the concert with a John Lennon classic.

Charlie Brown and Linus have been instructed by Lucy to find a Christmas tree for a play they are going to put on, so they go searching for one.

This is a public service announcement of the Obama administration on ending sexual assault. President Obama is joined by Vice President Biden, Daniel Craig, Benicio Del Toro, Dulé Hill, Seth Meyers and Steve Carell.

"Malibu" is a love song to the Los Angeles-area beach city and to Miley Cyrus's boyfriend, Liam Hemsworth, her co-star in the movie The Last Song.

Most of the time "P" is simply pronounced like a "P," but there are a few cases in which "P" is silent. Sigrid gives us plenty of examples of handy words with "P."