Sputnik is the alias of a Swedish lo-fi musician who has been involved in numerous solo projects, most notably, Weatherday.
[1][2] They have also released music under the aliases Five Pebbles, Lola's Pocket PC, and Rana Plastic Bubbles.
Sputnik started attempting music production around 2015 before releasing their debut album, Come In, on Bandcamp in 2019, under the name Weatherday.
After gaining underground popularity, the album was re-released on Topshelf Records.
[3] Sputnik reveals little about their personal life on social media or in interviews.