After a series of high-profile collaborations like "APT." with Rosé and "Die With a Smile" with Lady Gaga, Mars returned to solo prominence with "The Romantic". The lead single, "I Just Might,"

However, his association with "Summer Soul" is most famously tied to the Summer Soul Festival

Artists With Most No. 1 Songs on Billboard Hot 100 - Business Insider

Instead, Summer Soul 11 refers to a specific, fan-created (or DJ-curated) mixtape compilation that circulated on peer-to-peer (P2P) networks like The Pirate Bay, KickassTorrents, and IsoHunt around .

Search for "Bruno Mars Summer" to find official and high-quality fan playlists. YouTube Music: