Streaming music service Songza announced its latest funding round yesterday: $4.7m from investors including Amazon, Deep Fork Capital, Thrillist Media Group and Atom Factory. The focus for the cash injection will be building out Songza’s “Branded Moments” feature that gets brands to sponsor individual playlists on the service, associated with activities like exercising, driving and entertaining. “With this funding, we’re scaling out native advertising to make brand-to-customer interactions more engaging for customers and more successful for brands,” said CEO Elias Roman, who’s clearly mastered brandland jargon. “This team of rockstar investors has already proven invaluable in those efforts.” Samsung, Taco Bell and Victoria’s Secret are among the brands already associating themselves with playlists on Songza. Amazon’s participation in the funding round is noteworthy: could Songza be a future acquisition for the company? Remember, too, that Atom Factory is the company of Lady Gaga’s manager Troy Carter. Fast Company adds that Justin Bieber’s manager Scooter Braun also chipped in to the round.