Turnaround
Blues Scale & Chord Explorer
The 12-bar blues in every key, on every instrument.
Coming Soon on the App StoreWhat It Does
12-Bar Progressions
See the I-IV-V blues progression in all 12 keys. Tap any bar to explore its chord voicings and scale relationships.
Interactive Fretboard
Blues scale notes light up across the fretboard. Tap any note to hear it. CAGED chord voicings for every chord in the progression.
Piano & Staff Notation
Piano keyboard visualization with chord voicings shown on a grand staff. Root position, inversions, shell voicings, and open voicings.
Tap to Hear
Every note and chord is playable. Nylon guitar and acoustic piano sounds powered by high-quality General MIDI samples.
Blue Notes & Chord Tones
Toggle between highlighting blue notes or chord tones. See notes, intervals, or scale degrees on every fretboard position.
Guitar, Ukulele & Piano
Three dedicated views. Guitar and ukulele with standard and Low G tuning. Piano with four octaves and six voicing patterns per chord.
Instruments
Privacy Policy
Effective date: March 29, 2026
Turnaround is developed and published by Pharmakon. We take your privacy seriously.
Data Collection
Turnaround does not collect, store, transmit, or share any personal data whatsoever. The app runs entirely on your device with no network requests, no analytics, no tracking, and no advertising.
Third-Party Services
Turnaround does not integrate with any third-party services, SDKs, or APIs. There are no analytics frameworks, crash reporters, or ad networks in the app.
Audio
All audio is generated locally on your device using bundled sound samples. No audio data is recorded or transmitted.
Changes to This Policy
If we ever change our privacy practices, we will update this page. Given the app collects no data, we do not anticipate changes.
Contact
For questions about this privacy policy or the app, contact us at support@pharmakon.io.