In late March, Steve Stoute’s UnitedMasters raised $50 million in a funding spherical led by Apple. Now, the important-label alternative has closed yet another $50 million round at a $550 million valuation. UnitedMasters just lately unveiled its $50 million Collection C, which was led by present trader (and Dapper Labs backer) Andreessen Horowitz. New York Metropolis-headquartered UnitedMasters, which arrived on the scene in 2017 and now has 1.3 million buyers, intends to set this latest cash inflow towards creating “technology that allows artists to perform and generate offers right with platforms and manufacturer companions, frictionlessly and at scale,” bigger-ups specified. On the latter front, UnitedMasters by way of 2021’s 1st…