Heavenly Chord Performer turns your iPad or iPhone into an expressive smart-guitar performance surface. Select chord shapes with a color-coded matrix, then strum playable chord notes from responsive string pads. Hold strings, build extended voicings, switch keys, transpose the playable root range, and shape velocity directly with touch position. Built-in Warm Synth, Electric Piano, Organ, and Warm Pad sounds let you play immediately. Route notes through Virtual MIDI Out or host compatible AUv3 instruments when Premium is unlocked. Compatible with ROLI Lightpad Block M over BLE MIDI or USB MIDI. Its optional touch surface can play chord tones and display a static LED string layout. Premium MIDI IN Control maps an external MIDI controller directly to the chord matrix and string buttons. Key features: - Color-coded chord, slash-chord, and solo-note matrices - Extended multi-column string surface with velocity control - Hold Strings and Solo modes with configurable MIDI CC control - Built-in synth tones with sustain, Virtual MIDI Output, and AUv3 hosting - Compatible ROLI Lightpad Block M LED and touch support - Premium MIDI IN Control for external controllers - Configurable layout, tuning range, strings, frets, and performance presets Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://bwinnovationtw.github.io/apps/heavenly-chord-player/privacy.html