Explore the world of tone, playing and worship…
Free tools from Nathan for learning the neck, building progressions and getting charts ready, for worship teams and working musicians alike.
Four free tools, right in your browser
No sign-up. Open one before rehearsal, on the gig or while you write.

Master every chord shape on the neck
Type a progression and see five ways to play it, one for each CAGED position. Explore voicings, alternate shapes, scales and fretboard positions in every key.
Open the tool
Write songs from chords to lyrics
Build progressions with real music theory ideas, write lyrics over the chords, find rhymes, and send the finished song to your band or Chordmo.
Open the tool
Fast, accurate ChordPro conversion
Turn raw chord sheets into structured ChordPro, extract plain lyrics, and download ready-to-use .cho files for planning and performance.
Open the tool
Find the Tone Master Pro model for the gear you know
Search by the real amp, pedal, cab or mic, and find the Tone Master Pro model based on it. Browse brands, artists, bands and genres.
Open the toolFor worship teams
Find voicings that sit well with keys and a second guitar, try a fresh progression for a new song, and get charts into ChordPro for the team.
For working musicians
Learn a song’s shapes all over the neck, sketch progressions for your own writing, and clean up chord sheets before the gig.
Chordmo
The most powerful chord chart app ever built.
Chordmo is a chord chart app for worship teams and working musicians. Charts, pads, click, and set planning, all in one app.
More from Nathan
Tone demos, a new progression every week, and a journal for guitarists who lead worship.

Worship Calling on YouTube
Tone demos, gear and playing tips.
Visit the channel
Weekly Chord Progressions
A new progression to learn and play through.
Watch the playlist
The Worship Journal: Guitarist Edition
A journal for guitarists who lead worship, with room to reflect, pray and grow in your playing and your walk.
See it on AmazonAs an Amazon Associate, Worship Calling earns from qualifying purchases.



