Welcome to Klang.io – Your AI Music Transcription Hub
At klang.io, we’re on a mission to transform how musicians, composers, producers and educators turn audio into notation. Whether you’re working with solo performances, full arrangements or live band recordings, our tools make it fast, accurate and creative. All our solutions feature instrument-specific AI, multi-format export, and seamless integration into your workflow.

Flagship Solutions
Klang.io Transcription Studio & Klang.io Transcription Plugin
These are our powerhouse solutions for full-ensemble or multi-instrument projects. The Transcription Studio (browser-based) and the Plugin (for your DAW) let you upload audio or import YouTube links, and automatically generate sheet music, MIDI or MusicXML. Multi-instrument support, melody/chord/harmony detection and tight export workflows ensure your creative ideas are instantly ready for notation, editing and production.

Instrument-Specific Apps

We’ve developed a line of super-focused apps, each optimized with AI models tailored to the instrument in question — tackling the unique challenges of different timbres, articulation and complexity.

Piano2Notes: Perfect for piano music: convert recordings into full notation in seconds.

Guitar2Tabs: Transcribe guitars and bass into TABs and standard notation with ease.

Sing2Notes: Turn vocals into editable sheet music, making writing or analyzing melodies straightforward.

Drum2Notes: Convert drum performances into notation, capturing rhythm and dynamics accurately.

Violin2Notes: Designed for string instruments: capture violin or other string-part notation rapidly.

Wind2Notes: Optimised for brass and woodwind instruments: turn performances into full notation.

Piano2Notes: Perfect for piano music: convert recordings into full notation in seconds.

Guitar2Tabs: Transcribe guitars and bass into TABs and standard notation with ease.

Sing2Notes: Turn vocals into editable sheet music, making writing or analyzing melodies straightforward.

Drum2Notes: Convert drum performances into notation, capturing rhythm and dynamics accurately.

Violin2Notes: Designed for string instruments: capture violin or other string-part notation rapidly.

Wind2Notes: Optimised for brass and woodwind instruments: turn performances into full notation.

Other Essential Tools

Scan2Notes: Already have sheet music? Scan printed music, play it back, edit it online — ideal for digitising older materials.

Melody Scanner: Transform full songs into piano arrangements or lead sheets quickly; great for composers and educators.

Klang.io Song Search: A music-analysis tool that identifies key, scale and chord structure and returns editable notation for songs.