Since a MIDI file is made of separate tracks (drums, bass, piano, strings), you can mix the song live. If the vocals need more prominence, you can turn down the melody track. If you want a jazzier feel, you can swap the piano instrument for a Rhodes sound.
This is a delicate area. From 1998 to 2010, thousands of websites hosted "FTP dumps" of copyrighted MIDI files. Downloading a ZIP of the entire Beatles discography is technically illegal (piracy), even if the files are small. midi karaoke zip files
Today, legitimate sources fall into two categories: Since a MIDI file is made of separate
Relying on a cloud service at a house party is risky. Wi-Fi drops, ads interrupt the flow, or your mobile data runs out. A collection of MIDI karaoke zip files stored on a USB stick or an old laptop is bulletproof. You boot up a lightweight player like VanBasco or KaraFun, and you have a library of 10,000 songs instantly. This is a delicate area