Together their songs have sold more than 30 million records around the world.
Both the collection and the new song, published as a single, sold well.
The song has sold 383K copies in its first seven weeks.
For a second time, the song sold over a million copies.
The song sold over 100,000 copies alone in the southern states.
The song has sold more than 40,552 copies so far.
The song has sold over 3 million copies as of April 2013.
The song sold one million copies by the end of 1955.
The song has sold over 265,000 copies in the country as of 2012.
The song had sold over a million copies in a month.