Advanced
Music Theory Web App!

What's Included?

🎼

Nine Advanced Topics

Study figured bass, chromatic harmony, chord progressions, non-harmony notes, suspensions, modulation, four-part writing, melodic composition and jazz theory.

🎹

Figured Bass & SATB

Realise figured bass, explore inversions and construct correctly spaced four-part harmony with detailed Roman-numeral analysis.

⚙️

Chromatic Harmony & Modulation

Explore secondary functions, Neapolitan and augmented-sixth chords, pivot chords and modulation between related keys.

♯

Non-Harmony Notes & Suspensions

Hear, identify and create passing notes, auxiliaries, appoggiaturas, suspensions, retardations and decorated resolutions.

✍️

Four-Part Writing

Complete soprano exercises in SATB, control voice-leading, analyse harmony, identify errors and export your finished work.

🎶

Melodic Composition

Write melodies over supplied harmony while applying phrase shape, rhythmic variety, non-harmony notes and controlled melodic motion.

🎷

Jazz Theory & Chord Maps

Build extended jazz chords, explore practical voicings and use interactive major and minor chord-progression maps.

🎧

Interactive Audio & Guidance

Hear realistic sampled-piano playback, receive instant feedback and use the searchable glossary, Explore feature and User Guide.

Figured bass lesson showing root position, first inversion and second inversion C major triads with SATB notation and interval figures.

Master Advanced Music Theory Through
Listening, Seeing and Doing

Take your understanding of harmony, composition and musical structure far beyond the textbook with the Advanced Music Theory App—a powerful interactive resource created for ambitious students, inspiring teachers, working musicians and curious lifelong learners.

Interactive SATB writing
Realistic piano playback
Chord and melody builders
Instant checking and feedback
Figured Bass & Realisation
Chromatic Harmony & Modulation
Chord Progression Maps
Non-Harmony Notes & Suspensions
Four-Part Writing & Melodic Composition
Jazz Theory
Quizzes with instant feedback
Built-in glossary and user guide
Turns theory into practical understanding
Builds reading, listening and analysis skills

Explore nine fully developed areas: Figured Bass, Chromatic Harmony, Chord Progression Maps, Non-Harmony Notes, Suspensions, Modulation, Four-Part Writing, Melodic Composition and Jazz Theory. Every topic combines clear teaching with professionally engraved notation, realistic sampled-piano playback and practical activities that turn complex theory into something you can see, hear and control.

Build and realise figured bass, investigate inversions, create correctly voiced SATB harmony and receive detailed feedback on spacing, doubling, tendency tones, parallels and voice leading. Explore secondary dominants, Neapolitan chords, augmented-sixth chords, pivot-chord modulation and major and minor progression maps. Learn to recognise and construct passing notes, auxiliaries, appoggiaturas, suspensions, retardations and decorated resolutions.

Develop complete eight-bar melodies and four-part exercises using interactive notation, rhythm controls, playback, tempo adjustment, analysis and PNG export. The Jazz Theory area lets you build extended chords, compare rooted and rootless voicings, explore chord families and hear authentic practical voicings.

The app also includes quizzes, answer checking, reveal tools, alternative valid voicings, a searchable glossary, a detailed User Guide, random lesson exploration and customisable display and audio options. The app is designed to bring advanced theory to life with an experience that is rigorous, musical and genuinely enjoyable.

Learn faster. Teach more effectively. Hear the theory—and make it your own.

Advanced Music Theory App displaying a C major ninth jazz chord with coloured chord tones, interval brackets, voicing controls and chord analysis.

Advanced Music Theory App showing an interactive minor-key chord progression map with Roman numerals, secondary dominants and harmonic pathways.

Interactive eight-bar melody composition exercise with key selection, modulation, Roman-numeral harmony, playback controls and musical notation.

Recommended Experience

Works in modern web browsers on desktops, laptops and tablets. For the smoothest experience, Chrome is recommended on computers. Browser audio may require an initial screen tap on some Apple devices.

Man wearing headphones smiling in a warmly lit music studio with piano and sheet music in the background

Dr Declan Plummer

MEET YOUR TUTOR

Declan is a music teacher, lecturer and an expert in online tuition. He has a bachelor's degree, a master's degree, and a PhD (all in music) and has authored and co-authored in several academic journals and books on music. Declan has been a tutor at the Ulster College of Music for many years, where he specialises in teaching all units and components of A-Level and GCSE Music courses, and music theory (Grades 1-8 ABRSM, Trinity and RIAM boards). He also offers tuition in aural skills, music appreciation and music history.

At the City of Belfast School of music he taught advanced theory and aural skills, and at the Piano Academy of Ireland he delivered lesson in theory and Musicianship. Declan also worked as a teaching assistant at the Music Department in Queen's University Belfast, where he gave lectures and tutorials for undergraduate students who studied modules in music theory and music history as part of their BMus and BA degrees.

Aside from piano, in which he teaches various styles, Declan also plays Irish traditional music, including the Irish Bouzouki, Tin Whistle, Irish Flute, Bodhrán and Uilleann Pipes. He adopts an AMA (ask me anything!) approach to learning music so email him anytime:
info@topscoremusicacademy.com