Alexis Valdés, Cuban singer, actor, comedian, film producer and screenwriter brings you "Song of the Week." The days go by, but love doesn't.

In this fifth part of the series about Colombia's Tayrona Park, we learn how the San Rafael "posadas" (tourist inns) have been enlightening and life-changing for locals and tourists alike.

Part four of this seven-part series about Colombia's Tayrona National Park explains a bit about the importance of its coral reefs and how they are studied.

María Cecilia continues her exploration of Tayrona Park, embarking upon her first scuba dive to explore its underwater ecosystem.

In part two of this seven part series about Colombia’s Tayrona Park, María Cecilia Sánchez escapes her frenetic city life to explore this natural national park from the standpoint of nature conservation, enlisting the help of field expert, José Castro, who explains geographic, historical and touristic aspects of the park's terrestrial ecosystem.

After a dramatic, illegal entrance into a Colombian world heritage site, the Tayrona Natural National Park, our hostess explains the reasons why this is damaging to the park's ecosystems as well as giving us an introduction to the many adventures that await us in future episodes of this seven-part series.

Ana Tijoux’s 2011 single speaks of the thousands of young people who, in protest, have taken over their schools and universities, demanding free, quality education from their government.

William Bonilla is a good friend of ours who invited Yabla to his apartment to share his points of view about his musical career. Here, he talks about his beginnings.

Another explosive, controversial yet danceable track from Puerto Rico's Calle 13. Nudity, insults flung at the Vatican, almost nothing's off limits for Calle 13.

Cienfue is an alternative folk guitarist and singer who mixes Panama's peculiar folklore with alternative rock and social lyrical content. Here is the official video of "La décima tercera", a song that is part of his 2010 album La calma y la tormenta (The Calm and the Storm).

The Colombian singer Rivera interprets "Tras la tormenta" (after the storm) accompanied by Dragon & Caballero (Dragon and Knight), a reggaeton duo from Cartagena. This song has a great positive vibe, enjoy it.

Check Hello Seahorse!, an exciting Mexican band with surrealistic lyrics and dream-like vocals. Who needs to understand the song when it comes from such a sweet voice?

Not every day do two huge talents like Enrique Iglesias and Juan Luis Guerra get together. Spanish pop royalty and one of the most recognized Dominican faces decided to blend their styles and create this lovely song!

Shakira serves up another smoking, upbeat song. This one’s about a love triangle, as seen through the eyes of the other woman.

Frida Kahlo’s grandniece, Dulce María, has been a star almost since birth. The Mexican singer, songwriter and actress made her acting debut on Plaza Sésamo (Mexico’s Sesame Street) and then appeared in telenovelas as she grew up. The soaps helped launched Dulce’s solo career in 2009. Tune in to this 2010 track.

Plastilina Mosh delivers this frothy pop song pinned down by some less carbonated rap lyrics. The results are catchy. Mixing genres is nothing new for the Mexican band from Monterrey. You may hear Plastilina Mosh on the radio—or featured on a video game near you.

“No hay nadie como tú” (“There Is No One Like You”), the first single from Calle 13’s third album, features the Mexican group Café Tacuba. Over a blend of pop and reggaeton music, Residente, the lead singer of Calle 13 discovers that no amount of naming can contain or define his amor.

Novalima mixes Peruvian folk music with electronic beats. Touring has become an important source of inspiration. That’s how they translate their musical roots onto the dance floor. Universal tunes with local sounds!

Get ready for Residente’s smart mouth and his tongue twister lyrics with a high level of cynicism. This song was co-produced with Gustavo Santaolalla, mastermind of the electronic tango band Bajofondo.

More on the thought-provoking, circuit-straining arts created via technology. Are you ready to enter new virtual environments and meet the artists behind them? Here’s part 4 of our 5-part series.

Ideas about what art is are always evolving. Throwing “electronic” into the mix seems to get things going even faster! In this episode of What You Didn't Know, see how the world of art continues to change as electronic art becomes a prevalent art form. But with all the controversy about whether or not electronic art is a valid art form, some try to keep in mind that the message is the most important thing.

Calle 13 joins up with Cuba’s Orishas to sing a paean to those pobres who hike pa’l norte (northward) in search of a better life. The first 13 captions are very colloquial and difficult, but after that this video is very clearly annunciated with lots of great vocabulary, so hang in there! This song is thought-provoking and catchy. No one will ever accuse Calle 13 of taking a weak position in rhythm or in politics!

Meet Rubén Blades, a Salsa superstar. He helped mix Cuban and Caribbean rhythms with Jazz in New York City. Rubén Blades (or, Rubencito here among friends) composed some salsa classics while also excelling as a singer. But that’s not all. Moviegoers may recognize him as one of the victims in Predator 2. He also has a law degree and ran for president of Panama. When this video with Calle 13 was filmed, he was Panama’s Tourism Minister.

Lo hecho está hecho means “What’s done is done,” and what’s done is another international hit from the bilingual diva from Barranquilla. The English language version is called “Did It Again,” and what it did was to give Shakira her 10th consecutive top-40 hit in the UK.