A record of one person's rush to understand artificial intelligence before it outpaces him: tools built, systems studied, and lessons logged while trying to learn it fast enough to use it well, not just keep up.
A suite of tools, and the personal site of Sergio Macedo.
Play
Browser-based instruments. No downloads, no accounts โ just sound.
Synth
Modular synth, mixer & effects chain ยท FM, EQ, compressor, MIDI
Theory
Scales, chords, modes, maqam ยท visual & playable
Songwriter
Chord progressions & song structure
Tuner
Chromatic tuner via microphone
Chord-Tone Trainer
7 progressions, key shuffle, streak tracking
Chord Voicings
Movable barre-chord shapes for any root and quality
Ear Training
Identify intervals and chord qualities by sound alone
Jam Guide
Circle of fifths, Nashville numbers, capo charts & jam etiquette
Learn Production
A visual three-part path โ record, arrange & mix a song in Logic Pro X
Recording
Part 1 ยท Mics, polar patterns, placement, compression & reamping โ for Logic Pro
Arrangement
Part 2 ยท Song structure, the energy arc & transitions โ in Logic Pro X
Effects
Part 3 ยท What every effect does, the signal-chain order & how to practice mixing
Mastering
Part 4 ยท Loudness, LUFS, limiting & the mastering chain โ in Logic Pro X
Logic Pro
Key commands, the toolbox & the features that make music โ a Logic Pro X reference
Song Analyzer
Analyze YouTube songs โ chords, BPM, key detection
Fretboard
Interactive guitar fretboard
Tap BPM
Tap tempo to find the beat
Read
The story of building this โ and the questions it raised.
Chronicles
Day-by-day field notes from the AI frontier
AI Dispatches
Live feed from 10 sources โ research, product, and press โ searchable and filterable
AI Evolution
How AI got here, how models differ, DeepSeek/Ollama/OpenClaw explained, and where it's headed
Philosophy
What happens when machines start to think?
About
The human and the familiar โ who we are
Explore
How it's built. Every layer, every decision.