ARN-Music B5 3-4 Harmonization by Triads and Tetrads for the Bass (5 strings).

The interactive app innovatively displays the triads and tetrads for any musical scale. Perfect for studying and applying chords and harmonizations.

You can move the tonic freely across the fretboard using the Stepper

Thanks to the dedicated Circle of fifths for each scale, you can easily create smooth chord progressions.

Choose from four fretboard positions (left- or right-handed).

Use FOCUS to zero in on specific fretboard sections.

Want to experiment? Try different tunings and instantly get the right scale degrees for over 10 tuning presets.

Save and Manage Sessions:
Save your sessions, return to them anytime, and manage them in the dedicated new section.
Organize, edit or delete your sessions.

Share Sessions Anywhere:
Export sessions for backup or to share with friends, students or colleagues (AirDrop ready).
Import them on other devices to pick up where you left off.
Perfect for collaborations, lessons or seamlessly switching between iPhone, iPad and Mac.

Custom Secondary Selection:
Create even more flexible combinations.
From a primary selection (like scale degrees), define a custom secondary selection (such as chord degrees derived from that scale).
Ideal for harmonic analysis, exercises and advanced composition.

Personal Annotations:
Add notes, tips or reminders to your secondary selections.
Every element can now include annotations for better organization and more personalized music study or creation.