Question: I need a service that can quickly create karaoke versions of songs, do you know of any?

For quick karaoke versions of songs, Vocali.se is a good option. This free, web-based service uses machine learning to isolate vocals from any song or audio file in about two minutes. You can upload a variety of audio formats and download the isolated vocals, so you can make karaoke versions without having to install any software.

Another good option is Instant Singer, an AI-powered voice cloning service. You can replace the singer's voice in any song with your own by singing a simple song and pasting a YouTube link. The service offers both free and paid options, including a free Starter Pack that you can use to try it before you subscribe, so it's a good option for karaoke fans.

Lalals also offers a more powerful option for karaoke versions. This AI-powered music creation service offers tools to change voices, create covers and generate original songs. It supports more than 1000 AI voices, including those of celebrities, and lets you generate studio-quality tracks from lyrics. The service offers tiered pricing, so it's good for a variety of needs.