NPR Music

Rudresh Mahanthappa creates an explosive blend of South Indian classical music and progressive jazz. A Guggenheim Fellow who's been named the Jazz Journalists Association's "Alto Saxophonist of the Year" for four years running, Mahanthappa makes innovative music that reflects his experience as a second-generation Indian-American. He shares his fascinating style and story on this episode of Piano Jazz.

Carnal implications abound on "Sex Mission," a new techno track from the Brooklyn-based musician Laurel Halo. There's the not-exactly-subtle title, and the EP from whence it comes is called Behind the Green Door (out May 21), a nod to a ground-breaking porn flick from the 1970s. The music itself throbs like an accelerating heartbeat. A looped grainy sample — "be still" — conjures up an imaginary lover who's about to show you a really good time.

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Pablo Helguera is a New York-based artist working with sculpture, drawing, photography and performance. His new book is Helguera's Artunes. You can see more of his work atArtworld Salon and on his own site.

"It feels good to be able to change something. It feels good to give." -- Ron Finley

You can give away almost anything — your time, money, food, your ideas. Giving helps define who we are and helps us connect with others. And thanks to the Internet and a rise in social consciousness, there's been a seismic shift not only in what we're giving, but how. In this hour, stories from TED speakers who are "giving it away" in new and surprising ways, and the things that happen in return.