The single officially debuted on September 30, 2021, via Warner Music Russia .
Filatov & Karas, a Russian DJ and producer duo known for their multi-platinum remixes, and Busy Reno . The single officially debuted on September 30, 2021,
Filatov & Karas, Busy Reno — Au Revoir | Official Lyric Video · Comments. YouTube·FILATOV & KARAS The single officially debuted on September 30, 2021,
by Filatov & Karas and Busy Reno is a polished dance-pop collaboration that blends nostalgic electronic elements with modern production. Released in late 2021, the track explores themes of parting and memory. Song Overview & Background The single officially debuted on September 30, 2021,
The lyrics emphasize staying in someone’s thoughts ("let me be your sweetest memory") and the lingering presence of a former partner ("like an echo you stay with me").