Touch Tonnetz vs Serphonica

Touch Tonnetz visualizes Neo-Riemannian music theory through the Tonnetz (tonal network) lattice. Tap any chord or note to hear it, see its Neo-Riemannian transformations, and explore harmonic relationships that go beyond traditional tonal progressions. Key Features: Interactive Tonnetz Visualization — Tap any chord or note to hear it and see its Neo-Riemannian transformations highlighted on the lattice Harmonic Analysis — Roman numeral overlays for any tonic, updated in real time Progression Builder — Create, save, and play back melodic progressions Custom Chords — Build and save your own chords for experimentation Three Instrument Sets — Piano, Brass, and Woodwinds, all high-quality samples Six Color Schemes — Three dark, three light Pinch to Zoom — Explore the lattice in detail at up to 4× magnification 7-Day Free Trial — Full access, no restrictions, no nags Perfect For: Composers looking for harmonic paths outside conventional progressions Music theorists studying Neo-Riemannian transformations Musicians experimenting with chord voice-leading Students exploring music theory hands-on What is Neo-Riemannian Theory? Neo-Riemannian theory is a branch of music theory that studies relationships between major and minor triads using transformational geometry. Rather than treating chords as functions within a key (tonic, dominant, etc.), it focuses on the small voice-leading moves — Parallel, Leading-tone exchange, and Relative — that connect one triad to the next. The result is a rich map of chromatic harmony that complements traditional tonal analysis. Why Touch Tonnetz? The Tonnetz lattice makes these relationships spatial: related chords are neighbors, and transformations are visible paths. Touch Tonnetz lets you see the lattice, hear it, and build with it — turning an abstract theoretical framework into something you can explore by ear and by hand.

Serphonica — Ear Training & Music Practice Develop your musical ear with a comprehensive suite of training exercises and practice tools — all in one beautifully designed app. EAR TRAINING • Interval Training — Identify ascending and descending intervals. Build the foundation of relative pitch recognition. • Chord Recognition — Hear a chord and name it. Major, minor, diminished, augmented, seventh — train them all by ear. • Scale Trainer — Learn scales note by note with real-time pitch detection. Play on your instrument and get instant feedback. • Rhythm Echo — Listen to a rhythmic pattern and tap it back. Develop your timing and internal clock. • Echo Mode — Hear a note, play it back on your instrument. Serphonica listens and tells you if you got it right. After 3 tries, a fretboard hint shows you where to find the note. • Sight Reading — Read notes on the staff and play them on your instrument. Real-time detection tracks your accuracy. • Melody Memory — Listen to a melody and play it back from memory. Start with short phrases and work your way up. • Theory Quizzes — Test your knowledge of intervals, scales, keys, and chord construction. • Call & Response — Musical phrases are played for you to echo back, training your ear and technique together. BUILT-IN TOOLS • Chromatic Tuner — Real-time pitch detection with frequency smoothing and adjustable noise gate. Tune with precision. • Metronome — Adjustable BPM, time signatures from 1/4 to 12/4, subdivisions (quarter, eighth, triplet, 16th), swing, tap tempo, and multiple sounds. Visual beat ring with optional flash. • Live Fretboard — Play your guitar and see notes appear on an interactive fretboard in real time. • Reference Charts — Scales, chords, intervals, and guitar charts — everything you need to study music theory. WHY SERPHONICA? • Uses your device's microphone to detect what you play — no MIDI cable needed • Works with guitar, bass, ukulele, piano, voice, or any pitched instrument • Clean, focused design with no distractions • No account required. No ads. No tracking. Whether you're a beginner learning your first intervals or an experienced musician sharpening your ears, Serphonica gives you everything you need to practice — right in your pocket.