Analysis of information sources in references of the Wikipedia article "فهرست پرفروشترین تکآهنگها" in Persian language version.
...while Autry's version of "Rudolph the Red-Nosed Reindeer" sold more than 12.5 million copies
Since its release more than 40 years ago, "Rock Around the Clock" has sold over 25 million copies in over 30 languages.