Question: Do you know of an app that can convert audio files into MIDI tracks for music production?

If you're looking for an app to convert audio files into MIDI tracks for music production, Klangio is a great option. This AI-powered music transcription platform can convert audio recordings or YouTube links into sheet music, MIDI, and MusicXML files. It includes instrument-specific tools like Piano2Notes and Guitar2Tabs, and you can create transcriptions in three steps: upload or record music, automatically transcribe it, and view, edit, and download the notes in various formats. Klangio is available as a web app and mobile app, so it's good for musicians at any level.

Another great option is WavTool, a web-based app that uses generative AI to help you with your creative workflow. It includes an audio-to-MIDI converter, along with other tools like a multi-modal music chatbot, MIDI continuation tool, and audio generator. WavTool has a customizable UI, supports VST & AU plugins, and lets you save to the cloud with automatic project backup. It's good for musicians at any level and offers flexible pricing tiers to accommodate different needs.

For a more specialized tool, check out Frettable. This service uses sophisticated AI technology to analyze recordings of instruments and create sheet music and MIDI files. You can record a song live or upload an existing recording, and the app will convert it into MIDI and sheet music files. Frettable offers cloud storage and collaboration tools, so you can easily share and work on songs with others. It's available as both a desktop web browser app and a mobile app, and its pricing tiers offer flexibility.

Last, AnthemScore is a powerful automatic music transcription software that converts audio files into sheet music. It uses machine learning algorithms to identify notes, beats and instruments and has advanced editing features like tempo control and notation customization. AnthemScore is available for Windows, Mac and Linux, and AnthemScore offers several versions with different feature sets to accommodate different needs, from basic to professional.