Question: Can you recommend a tool that converts audio files or YouTube links into sheet music and MIDI files?

If you want a tool that converts audio files or YouTube links into sheet music and MIDI files, Klangio is a great option. This AI-based service converts audio files or YouTube links into sheet music, MIDI and MusicXML files. It has instrument-specific tools like Piano2Notes and Guitar2Tabs, and lets you create transcriptions in three clicks. Klangio also has customizable settings, polyphonic detection and multiple download formats, so it's good for musicians at any level.

Another option worth considering is Frettable, which uses more sophisticated AI to create sheet music and MIDI files from instrument recordings. You can record a song live or upload an existing recording, and Frettable will convert it into MIDI and sheet music files. It's got cloud storage, collaboration tools and multiple pricing levels, so you can find a plan that works for you and get your ideas out of your head and into your instruments.

WavTool also has a lot of features, including an audio-to-MIDI converter. This web-based app has a variety of tools, including a multi-modal music chatbot, MIDI continuation and stem separation. With a customizable interface and support for VST & AU plugins, WavTool is designed to help you get your ideas out of your head and into your instruments while protecting your content ownership. It's available in multiple pricing tiers depending on how much you use it.