Master Peace is back, and he’s brought along R&B powerhouse Muni Long for a seriously smooth ride. Their new single, “act like you know ?” is out now, giving us another taste of what to expect from his upcoming sophomore album, if i don’t love you, who will?, dropping October 2, 2026.

If you’ve been following the South London artist, you know he never stays in one lane. While he first caught our attention blending indie rock grit with club-ready energy, this track leans hard into a sun-soaked, guitar-led groove. Backed by production from Will Keating and RUDEY, the song rests on an infectious, breezy riff that immediately pulls you in.

Muni Long fits right into the pocket of the track. Her effortless, silky vocals trade lines with Master Peace’s raspy, emotive delivery, turning the song into an easygoing dialogue about the back-and-forth tension of modern relationships. It feels less like a forced chart collaboration and more like two artists genuinely having fun in the studio together.

Single Quick Facts

• Track: “act like you know ?”

• Artists: Master Peace feat. Muni Long

• Producers: Will Keating, RUDEY

• Album: if i don’t love you, who will? (Releasing October 2, 2026)

• Genre: Indie-pop / Alt-R&B

It’s an absolute lock for your late-summer playlists—the kind of track that works just as well on a night drive as it does hanging out with friends.

Head over to your favorite streaming service to spin “act like you know ?” today, and make sure you’ve got if i don’t love you, who will? circled on your calendar for October.