Bryan's music has already reached one billion streams, according to the publishing company.
The deal includes Jesso's share of 40 different songs, including "When We Were Young" by Adele and "Slow Hands" by Niall Horan.
Jason Klein took over as interim CEO following Murphy's departure.
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Included in the deal are 217 songs from TMS, adding to the 121 songs Hipgnosis has already bought from the trio of songwriters.
Re-recording classic tracks has become more common for financial and creative reasons, but the “Betty (Get Money)” case may give producers pause.
The company's first employee "built one of the best global creative teams in the industry," says CEO Laurent Hubert.
Nominated for four awards at the upcoming Grammys, Harris joins a roster including HARV, Shenseea, Cxdy, David Arkwright, KOSA and more.
The partners have also signed their first three talents: Gary "G Dav" Davis, Jesse "Dr. Blum" Blum, and Randy "Bandz" Holmes.
Crowder, who also signed a co-publishing deal with the company, has penned and/or produced a string of hits for Chris Young, Florida Georgia Line and more.