Weekend Edition Sunday on NPR News

Everyone knows Beethoven wrote nine symphonies, right? Or did he? Undiscovered manuscripts keep popping up all the time. Uncovering a lost 10th symphony by Beethoven would surely give the classical music world something to shout about.

It could happen — at least it could according to our colleagues over at Weekend Edition Sunday. Reporter Naomi Lewin carefully unfolds the mysterious saga of a new Beethoven discovery, as a part of our April 1 news coverage.

On-Air Challenge: Today's challenges are from an old English book called Lateral Thinking Puzzles by Hannah Robson and Nick Hoare. They all have a drinking theme, and they'll test your wits.

In 2007, NPR's John Ydstie sat down with three extraordinary banjo players: Tony Trischka, Bela Fleck and Steve Martin (you might also know him from that comedy thing he does). He asked Martin, "What got you interested in the banjo?"

Monday, the Supreme Court will begin hearing arguments on the Obama administration's health care law. The justices have set aside six hours to debate whether the Affordable Care Act is constitutional. NPR's Ari Shapiro joins guest host Susan Stamberg to discuss what's going to happen over the next few days.

Not one second of the six hours of arguments on the health care law will be either seen or heard in real time by anyone not at the Supreme Court. The nation's highest court has turned down requests to allow live broadcasts of this week's historic proceedings.

Former Vice President Dick Cheney underwent a heart transplant Saturday, after waiting 20 months for a donor.

The creators of the cable TV series Mad Men are known for making sure every detail in the show is historically accurate, but they don't always catch everything.

Spring arrived this past week, and guest host Susan Stamberg offers this musical bouquet for the season by the great jazz singer Abbey Lincoln.

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SUSAN STAMBERG, HOST: