I.—SINGING THE voice, essentially a musical instru nent, has only of late been scientifically considered. Even now singing is too much dealt with as an art, and its acquirement as an accomplishment.

There are always exceptions ― Lily Allen, Biffy Clyro, even Bugzy Malone. But in general, you may have noticed that no matter where they’re from, many pop stars lose their accent when they sing. In ...