Use a vocal remover or AI stem separation tool
Upload the song to an online vocal isolation service
Open the track in audio editing software
Split the song into stems if the software supports it
Invert the vocal phase if the vocals are centered in the mix
Reduce the center channel using mid-side processing
Apply an equalizer to lower vocal frequency ranges
Use a center-canceling filter if available
Mute or delete the vocal stem after separation
Export the instrumental version of the song