There’s a lot of melodic potential, it turns out, in the human voice, as much as in, say, a piano. Or a sax. Or a harp. Charles Spearin, of Do Make Say Think and Broken Social Scene, began experimenting with people’s voices as instruments about a year ago.…

Last year, Charles Spearin of Broken Social Scene casually interviewed his neighbors in downtown Toronto about happiness. Spearin, a practicing Buddhist, was not only interested in what his neighbors had to say, but also how they said it—the melodies, the rhythms, and the sing-song quality of their voices. Listening to…