Planet 1999 has been played on NTS over 10 times, featured on 13 episodes and was first played on 10 January 2021.

Planet 1999 is a French synth-pop band based in London. The group consists of members Caro, Alex, and Charles, who also operate as solo acts under the names caro♡, City Links, and Ultralove, respectively. They were the first band to be signed to the record label PC Music. They also occasionally act as songwriters and record producers for other artists.

Alex described the defining characteristics of their music as a "minimalistic shoegaze loop with over-processed vocals on top of it."The band has cited many shoegaze and krautrock artists as their inspirations. Often featured in Planet 1999's visuals is a mascot named Zippy which was designed by artist Leomi Sadler.