While there is no "feature," the song's production is heavily inspired by 70s disco, specifically referencing the style of ABBA and Boney M. 🎹 Understanding the "Filtered Instrumental"
In the context of music production and DJing, a typically means: Agnes - Fingers Crossed (Instrumental) [Filtered]
Software (like Spleeter or iZotope) was used to "filter out" Agnes's voice, which often leaves some "ghost" artifacts of the vocals behind. While there is no "feature," the song's production