"Enter Sandman" was the first hit single from Metallica and remains one of the most popular Metallica songs of all time. It employs what has been described as a "wall of guitars"— three rhythm guitar tracks of the same riff played by the same guitarist to create a "wall of sound." The lyrics have to do with going to sleep and the fears connected with that. The title refers to the Sandman, a character from Western folklore who makes children sleep. There are some words from a lullaby, and from a classic bedside prayer for kids. Enjoy the video!

In this segment, the narrator explains where the name Bryce Canyon came from, and why the sand dunes in the US and the large deserts of the world might be related.

Londoners interviewed at Borough Market describe the great variety of thriving cultures – with an emphasis on cuisine – in their city.

David Bowie gives a great live rendition of the Mott the Hoople classic "All the Young Dudes". He asks his fans to refrain from singing along, but they don't seem to follow his orders!

Retired interior designer Peg Harris explains a bit about what that profession is all about.

The narrator explains how the breathtaking rock formations of Antelope Canyon came to be, and why mountains around the world can provide a metaphor for human existence.

London's West End is the focal point for this video, and the narrator has some good tips on buying discounted movie and theater tickets.

Bob Dignen introduces the topic of decision-making in international companies, and the various approaches to this.

Sigrid explains the meaning of "prop" as both a noun and a verb. Either one can come in handy.

From their film "A Star is Born," here is the music video for Lady Gaga and Bradley Cooper's song "Shallow," for which Gaga and her co-writers received an Oscar.

This video provides some helpful advice on getting around London, including pointers on cabs, double-decker buses, and the Underground.

Here's a business meeting where not everyone has the same opinion. Even if you can't understand every word, try to grasp some of the expressions the speakers use to agree or disagree.

Some and any both refer to an unspecified quantity, but they are used in different situations. Sigrid explains how they work.

This is a short video showing some of London's best-known sights, such as Trafalgar Square, Tower Bridge, and the Tate Modern.

This is a music video of Lady Gaga performing Always Remember Us This Way, one of the songs from the film "A Star is Born" which she starred in alongside Bradley Cooper.