Both singles sold well regionally but failed to become national hits.

Album sales were disappointing, and the singles did not sell well either.

In the 1950s his singles did not sell very well so he left Decca.

By November 1958, his three singles had sold 50,000 copies.

As of 2012, their albums and singles have sold over 65 million copies worldwide.

The song was the first of three consecutive singles to sell over 100,000 copies.

As late as 1997, 28 singles each sold 1 million or more physical copies during the year.

For five straight years starting in 2001, no physical singles sold 1 million copies during the year.

Six singles this year sold over a million copies, the joint highest number ever along with 1998.

Their singles weren't selling, and they were no longer drawing in huge crowds.