Blog

Lab notes.

Thoughts & findings from building musical tools, spatial interfaces & experimental interaction systems.

25 June 2026 5 min read

Why did we build a Web Browser for MIDI?

Every now and then we run into a problem that feels small on the surface but scratches a real itch... MIDIWeb started as one of those problems - a chat with a friend who asked: "Why can't I connect my OP-XY to my iPad and use this website?!" WebMIDI is brilliant.

10 June 2026 3 min read

Introducing Pezzi

5of12 is a team of developers, designers and musicians. So, when we caught wind of the VIVERSE Creator Program, we jumped at the chance to combine all the things we love and build a joyful, relaxing, music-focused puzzle game!

29 September 2025 5 min read

How to connect iOS to MIDI for Playtonik

Playtonik is a MIDI Innovation Award winning musical fidget toy for iPhone and iPad. We built Playtonik to be fun to play with straight out of the box, with no external gear, but for those of you with hardware or software synths there's a whole other layer of fun.

5 September 2025 4 min read

Musical Physics - Lessons from building music apps in Unity

We used the Unity game engine to create Playtonik - an experimental musical instrument and fidget toy with MIDI support for iOS. We chose to use a game engine because it was the fastest place to test to the novel feature of our app: the interaction of physics objects to make sounds.

4 September 2025 3 min read

Playtonik Looping

Get Playtonik on the App Store I've recently been working on a looper feature for Playtonik, our musical fidget toy. The idea is to capture a section of the inputted notes and to give the user controls to play the loop back at will.

7 April 2025 4 min read

A Cacophony Of Gestures

We built a gesture control library for Unity. One that isn’t tied to a particular source of input data and works outside XR.