You may think the track was recorded by the artist singing the song through a few times and the producer choosing the best take to use on the record. But that's almost never the case. The reality is far less romantic. Listen to almost any contemporary pop or rock record and there's a very good chance the vocals were "comped. Though it's unknown to most listeners, comping's been standard practice in the recording industry for decades. Actually I would say it does the opposite.

Adele Tweets
The GRAMMYs
Taylor Alison Swift born December 13, is an American singer-songwriter. Her narrative songwriting, which often centers around her personal life, has received widespread media coverage. Born in West Reading, Pennsylvania , Swift relocated to Nashville, Tennessee in to pursue a career in country music.
SOUND ON SOUND
Adele's second album, 21, has broken sales records all around the globe. Tom Elmhirst. However, it was its successor, 21, released in January , that took her into the stratosphere. Of course, Adele didn't reach these heights all by herself. Another big contributor to Adele's success has been top mixer Tom Elmhirst, who mixed three of her big four singles. Topping the charts was not the first thing on Elmhirst's mind when he agreed to mix some of the songs on 19 and Instead, liking the music and the artist are his first considerations. She's someone who breaks the mould. Well, unless the reference mix is shockingly bad, you don't want to go miles away from it.
Big winners included British singer Adele, veteran rockers the Foo Fighters, dubstep producer Skrillex and country superstar Taylor Swift. Returning to live performance for the first time since vocal cord surgery, Adele also wowed the audience with the stunning "Rolling In The Deep," her soulful delivery further evidence of her justly awarded, star-worthy talent. This year's show also added a touch of history. In their first live appearance in more than 20 years, the Beach Boys' original lineup excepting late brothers Carl and Dennis Wilson was accompanied by Foster The People and Maroon 5 for a trio of songs, including "Good Vibrations.