The recorded music industry made $20bn (£16.1bn) last year, the first time the figure has been reached since 2005.
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Streaming sites like Spotify and Apple Music drove the success, accounting for more than half (56.1%) of all revenues - a total of $11.4bn (£9.2bn).
Billie Eilish had the top-selling single, with her goth-pop smash Bad Guy, while Japanese band Arashi had the year's most successful album.
Their 20th anniversary greatest hits album sold 3.3m copies worldwide.
It narrowly beat Taylor Swift's latest record, Lover, which sold 3.2m copies to take second place.
Overall, music industry revenue was up by 8.2 percent in 2019, marking the fifth consecutive year of growth, said the IFPI, which represents the industry.
The UK was particularly healthy, registering growth of 7.2 percent - again driven by streaming revenues.
Best-selling singles of 2019
Best-selling albums of 2019
However, the number of people taking up new subscriptions to streaming services continued to level off, which may cause concern for the future.
There were 341 million paying users of streaming services at the end of 2019, a rise of 33.5 percent. In 2018 the figure was 44.9 percent; and a year earlier it was 57.1 percent.
It is unknown how the Covid-19 pandemic will affect these figures. According to the latest study by Billboard and Nielsen Music, audio streaming is down by 6 percent during the lockdown, but the number of people playing music videos has risen by 13 percent.
The same survey found that 24 percent of Americans had added a new subscription service during the lockdown - although video services like Netflix and Amazon Prime are seeing more benefit than music sites.
Music industry revenues 2019
The IFPI's figures do not include live music revenue - which is the sector of the industry most affected by the lockdown.
However royalties collected from music played in pubs, clubs and concert venues are counted, and could see a significant fall this year.
The IFPI's CEO acknowledged that the coronavirus outbreak presented "challenges unimaginable just months ago".
"In the face of a global tragedy, the music community has united behind efforts to support those affected," said Frances Moore.
"This is a critical and ongoing priority as our member record companies work to continue to support the careers of artists, musicians and employees around the world."