All Things Considered

There was a political scramble in Maine after Tuesday's surprise retirement announcement from Olympia Snowe, one of the state's two Republican senators.

It's true that you can still get by in rock 'n' roll on the strength of a unique voice. But it helps if said voice has something interesting to work with.

On the first three records by Heartless Bastards, that wasn't always the case. The Mountain, from 2008, had some terrific songs about a breakup, and a few that got bogged down in a rut. But on the band's latest release, Arrow, every song has a powerful, almost magnetic melody.

Uruguay boasts that it has the longest Carnival celebration not just in Latin America, but the world. The 40-day celebration is dotted with makeshift stages all around the capital city of Montevideo for performances of choral music called murga. Murga is both entertainment and a sociopolitical commentary that survived the military dictatorship of the 1970s.

The streets of Beijing and Shanghai feel like an entrepreneurial free-for-all, full of mom-and-pop stores and street vendors selling snacks and cheap toys.

But when you pull back the curtain, you see a different picture: a country where the government still controls huge swaths of the economy.

When you're in China, there's a good chance you're doing business with the government every time you:

• make a call on your cellphone (the government owns the country's biggest cellphone network)