There used to be a time when finding CDs in stores felt impossible. Now, the compact disc seems to be making a comeback.
A new report from Billboard revealed that CD sales went up last year and had a big jump since 2004.
Over 40.59 million CDs were sold in 2021, up from 40.16 million sold in 2020.
The biggest selling CD in 2021 was Adele's '30.'
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