Strum App

Strum is a chord-based musical instrument app inspired by devices like the Omnichord. You can select chords and strum them using the Mystrix's touchbars on the left and right sides of the device.

Device Orientation Required

The Strum app requires the device to be in portrait mode (rotated left or right) to access the touchbars for strumming functionality.

Tap the function key to access the action menu from the main interface.

Main Interface

The Strum app interface is organized into several key areas for chord selection, octave control, and note duration settings.

Strum Main Interface

Strum Main Interface

The main Strum interface allows you to select chords, adjust octave and duration, then strum using the side touchbars.

Chord Visualizer

Visual representation of the selected chord showing the notes and root key.

Octave Shifter

Controls for adjusting the octave of the chord.

Duration Modifier

Controls for adjusting the note duration when strumming.

Major Chord

Select major triad chord type.

Minor Chord

Select minor triad chord type.

Major 7th Chord

Select major seventh chord type.

Minor 7th Chord

Select minor seventh chord type.

Augmented Chord

Select augmented chord type.

Diminished Chord

Select diminished chord type.

Left Strum Bar

Left touchbar for strumming chords.

Right Strum Bar

Right touchbar for strumming chords.

Action Menu

Tap function key to enter action menu.

Action Menu

The action menu provides access to system settings and app configuration.

Action Menu

Action Menu

The action menu provides access to system settings and app navigation.

System Settings

Enter the system settings.

Return to Strum or Exit App

Tap to return to the strum interface. Hold to exit the app.

How to Use

Getting Started

1. Device Orientation: Rotate your device to portrait mode (left or right) to access the touchbars
2. Chord Selection: Tap any chord button on the bottom row to select your desired chord type
3. Octave Adjustment: Use the octave shifter (row 2) to adjust the pitch range
4. Duration Control: Use the duration modifier (row 3) to set note length

Strumming

• Left Touchbar: Touch and drag along the left side touchbar to strum the chord
• Right Touchbar: Touch and drag along the right side touchbar to strum the chord
• Chord Visualization: The top area shows the selected chord notes and root key

Available Chord Types

• Major: Basic major triad (1-3-5)
• Minor: Basic minor triad (1-♭3-5)
• Major 7th: Major triad with major seventh (1-3-5-7)
• Minor 7th: Minor triad with minor seventh (1-♭3-5-♭7)
• Augmented: Augmented triad (1-3-#5)
• Diminished: Diminished triad (1-♭3-♭5)