South Africa, Oct. 8 -- The partnership enables Moodswing users to add music to their voice notes and conversations, with the app's AI engine analysing tone and emotion to recommend fitting tracks - from upbeat and romantic to dramatic or funny.

The goal: to make every conversation more expressive, emotional, and shareable.

"Music is the language of emotion - it helps us express what words alone can't," said Jimmy Muteba, co-founder and CEO of Moodswing.

"With over 3.5 billion people using messaging apps globally, the next evolution of communication is emotional. Partnering with Sony Music gives us access to world-class music to power that evolution."

Founded by Muteba, a South African-French entrepreneur and recording artist (known a...