Pharrell Williams performs his track 'Happy' at Radio 1's Big Weekend 2014 in Glasgow.

"In the Air Tonight" was released on Phil Collins's debut solo album Face Value, and has remained an experimental pop classic.

American singer-songwriter Phillip Phillips sang this song of reassurance and commitment when he won the eleventh season of the singing competition, American Idol.

Curator Jenny Moore at the New Museum in New York City guides us through the "Pictures from the Moon" exhibition of holographic art works by well-known artists including Louise Bourgeois, Bruce Naumann, Eric Orr, Ed Ruscha, and James Turrell.

Pierre Tran works as a journalist for the paper Defense News in Paris, France. He tries to cover the French perspective with regard to political and industrial arms industry. Accuracy and integrity are important matters supporting him in his exciting job.

Pierre talks about the tradition of afternoon tea, which is practically a ritual in England. Today, he's taking a relaxing break with Earl Grey tea and digestive biscuits.

Piggeldy and his big brother Frederick are out and about again, discovering and learning about the world. This time they set out to find where the sky begins.

The two little brothers Piggeldy and Frederick go for another walk in the fields. Today Piggeldy wants to know what sayings are.

"Enjoy another walk through the fields with brothers Piggeldy and Frederick. This time Piggeldy wants to learn about the concept of cleaning up."

Piggeldy is a very curious little piglet, always accompanied by his brother Frederick who inspires him to discover and learn about the world as they walk through the field.

Enjoy another walk through the fields with pig brothers Piggeldy and Frederick. This time, Piggeldy wants to know what a letter is.

Piggeldy's curiosity about Swinebridge makes for a harrowing journey when he and his brother get picked up by a livestock transporter along the way.

Enjoy another walk through the fields with pig brothers Piggeldy and Frederick. This time, Piggeldy wants to know what bees are.

Enjoy another walk through the fields with pig brothers Piggeldy and Frederick. This time Piggeldy wants to know what “boredom” is.

Enjoy another walk through the fields with pig brothers Piggeldy and Frederick. This time Piggeldy wants to know what a sheep is.