The 32-year-old pop star sounds flat at best and, at worst, like a strangled cat throughout the four-minute song from her 2013 album Britney Jean. Spears has earned more than $200 million from sales ...

Many pop stars’ vocals are altered and edited by sound engineers before they hit the airwaves, so it’s very rare to hear a raw recording from a singer — unless, of course, you’re a producer. It is ...