Raven Capital, which bought a stake in Outback in 2021, sold a minority stake in the promoter's comedy division to AEG. Trending on Billboard Outback Presents has spun off its music team into a new entity called Since Entertainment, it was announced on Monday (May 4). The news follows an announcement last week that Outback had formed a joint partnership with AEG Presents for its comedy division, which will now be a separate company from the music team.  As part of these transactions, Raven Capital, which took a stake in Outback in 2021, sold a minority stake in Outback’s comedy division to AEG, but will retain its full ownership stake in Since Entertainment, as well as Evolution of Advertising, the company’s music and data-driven engagement platforms.…