Hello, everyone: When we sing karaoke song in my country(in KTV), we can choose three versions of the song: 1. The original version, i.e., the lead vocal is retained. 2. The background music version, i.e., the lead vocal has been removed. 2. The reduced vocal version, i.e., the lead vocal has been reduced. Do you have specific terms for each version above in your country? Thank you.