NPR Staff

Earth Day is coming up on April 22.

It's an occasion to think about the risks we all face from climate change — and to recognize the toll these problems take on the people in the developing world, who are especially vulnerable. When oceans rise, when drought strikes, the consequences can be dire. People are losing their homes and becoming climate refugees, losing their crops, losing their water sources. Disease-carrying insects are moving into new territory.

It's become an annual tradition for NPR to host a live band in our studios for a full day. This year, we upped the ante and invited around 70 musicians from Washington, D.C.'s National Symphony Orchestra to play the musical interludes between stories on All Things Considered.

It's been five years since the death of Trayvon Martin — and the outrage that sparked the Black Lives Matter movement.

Martin — 17 years old, black and unarmed — was shot by George Zimmerman, a neighborhood watch volunteer in Sanford, Fla.

Jonathan Rado and Sam France were in eighth grade when they first met and began making music together. Their tastes were simple at first — straight-ahead rock songs banged out on drums and guitars in a garage. But a dramatic shift happened when they decided to take a less linear approach to recording their work.

"I got really into buying cheap, cheap instruments on eBay — lots of xylophones and melodicas and kind of useless junk — and that was kind of everywhere," Rado says. "We'd just kind of play for like 30 minutes, and then chop the best bits down to a three-minute song."

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