Written by Agust D and El Capitxn, and produced by the latter, the song is a pop and hip hop track that discusses themes of loneliness and connection.
2" in 2020, while working on his second mixtape as Agust D. The title was ultimately changed after friends he had asked to listen to the track misheard the name as sal-ah (살아), which means "live".
In early 2023, a demo version was unintentionally made public by Suga's label;[1] a behind-the-scenes video uploaded to YouTube, of the photoshoot for the rapper's Photo-Folio photobook,[1] showed him listening to a guide for the song sung by bandmate Jungkook.
"[1] A press release for the song described it as "talk[ing] about the endless relationships between people and the emotions felt in an Agust D way" that "harmonizes Suga's rapping and IU's clear voice into one.
Translated lyrics provided on the song's music video show him exercising caution[4] about "This thing called love", that "Maybe it's just a momentary list of emotions", and asking "What is it about loss that makes us so sad?"
[6] The following month, on April 2, the label announced the impending release of Suga's debut solo album D-Day, under his Agust D alias.
The poster showed Suga playing a keyboard in what appeared to be a studio, surrounded by other instruments, with the single's title, "People Pt.
2" sold 4,132 downloads on its first day of availability in Japan, topping the daily issue of Oricon's Digital Singles Chart for April 7, 2023.
At a runtime of just over four minutes,[13] the visual comprises footage of Agust D alone in his home, "deep in thought, journaling his words",[14] "writing and recording the song",[4] and "taking in breathtaking views",[5] coupled with scenes of him working in his studio.
[14] After the theatrical portion of the video ends, a brief black and white clip of Suga explaining the song's creation and the message behind its lyrics is shown.