James Brown’s estate has sold a portion of the late singer’s music assets to Primary Wave, the publishing and management company, marking the latest blockbuster deal in the booming song acquisition market.

Primary Wave didn’t comment on the financial details of the deal or how much of a stake it purchased, but a source familiar with the deal tells Rolling Stone Primary Wave bought the entirety of Brown’s publishing, master income stream, and name and likeness rights that were owned by the estate. As the New York Times reports, the deal is estimated at $90 million.

The sale is the latest development in settling 15 years of dispute over Brown’s estate. Brown left most of his assets in a will to establish scholarships for underprivileged children in South Carolina and Georgia, but contention among Brown’s heirs — who were given only Brown’s possessions and stage costumes, along with $2 million earmarked for Brown’s grandchildren’s education — delayed that fund.

Read more in RollingStone.com.