We have moved to our new website


Composers who also use Quartal Harmony include A. Schoenberg, Bela Bartok, A. Skryabin, M. Mussorgsky, C. Debussy, M. Ravel, J. Sibelius, I. Stravinsky, O. Messiaen. Famous jazz musicians D. Ellington, J.R. Morton, A. Tatum, B. Evans, C. Corea, H. Hancock, McCoy Tyner, were using Quartal Harmonies in their compositions, as well as early progressive rock bands like King Crimson, Emerson, Lake & Palmer, etc.

With ★ Quartal Harmony & Arpeggio Piano ★ app you will be able to bring original mood and exotic sounding into your music. It contains a set of modes and quartal harmonies, which you can use for composing and improvisations. The app also contains intervals and arpeggio for your technique skills training. This app is a great professional tool not only for beginner pianists, but also for professional composers and teachers of music theory.



  • Library of 111 modes (harmonic, melodic, diminished, hexatonic, augmented, double harmonic, altered pentatonic, messiaen modes), which can be transposed in any key (over 1,300 total modes incl. transposition!)
  • Each mode can produce up to 30 quartal harmony chords & arpeggio!
  • Name of currently selected chord is shown in the top bar
  • You can play piano keyboard on the screen with your fingers
  • Piano keyboard is easily movable and resizable with your fingers
  • Lock to Mode function. It enables you to play only those notes, which belong to currently selected Mode on the piano keyboard.
  • Transpose to any desired key by tapping Transpose button (T) and dragging notes with your finger along the piano keyboard.
  • Change a number of notes in chords by tapping "Set" button:
  •      Setting value of "1" switches to standard note-by-note playback of current mode;
  •      setting value of "2" : current mode will be played by intervals;
  •      value "3", "4", "5" and "6" : current mode will be played by chords, which consist of 3, 4, 5 and 6 notes accordingly.
  • Use the button "Mono/Poly/Chords" to change playback style:
  •      Mono : monophonic 1-voice sounding of chords/modes;
  •      Poly : polyphonic sounding of chords/modes;
  •      Chords : chord-style playback of chords.
  • Accompaniment feature: you can see and listen to the chords, over which the current mode and chord progression can be played. This feature can be switched off when it is unnecessary.
  • Ability to change playback tempo for training
  • Ability to adjust a volume balance between accompaniment and solo guitar sounds
  • Note names are displayed inside the playback cursor
  • Sharp and flat signatures correspond to the current mode's key
  • Manual step by step note playback in both directions
  • iPhone 6 & iPhone 6 Plus support
  • iPad support

Screen Shots

scr_qhpiano0 scr_qhpiano1


Get it now on iTunes App Store !


Support and Info

All your questions regarding support of this application or any other your questions please e-mail to the following address. We will try to answer you as soon as possible.

This e-mail address is being protected from spambots. You need JavaScript enabled to view it

Quartal Harmony Links:


Fonexsis Creative Group, 2011


0 #24 Fausto 2017-12-15 14:12
Fantastic website you have ere but I was curious if you knew of any message boards thbat cover the same tolpics talked
about here? I'd really like tto be a part
of group where I can get feedback from other knowledgeable peoplle that share the same interest.
If you have any recommendations , please let mme know.
Thankk you!
2016 untuk mahasiswa semester 4: http://www.gunadarma.ac.id/id/page/financial-management.html

my web blog Nilai Mahasiswa: http://wahyu_r.staff.gunadarma.ac.id/Publications/files/1988/Sikap%20terhadap%20Tipe%20Cinta%20Eros%20dan%20Ludus%20(2009).pdf
0 #23 Columbus 2017-11-27 13:31
I have checked your page and i have found some duplicate content, that's why you don't rank high in google's
search results, but there is a tool that can help you to create 100% unique articles, search
for: Boorfe's tips unlimited content

Feel free to visit my homepage :: BrittSmall: https://Sallie21.jimdo.com
0 #22 Alecia 2017-11-04 19:55
I see you don't monetize your page, don't waste your traffic, you can earn extra bucks
every month because you've got hi quality content. If you want to know how to make extra money, search for: Boorfe's tips best adsense alternative

Check out my blog post; FirstJay: https://11Corazon.blogspot.co.uk
0 #21 Eden 2017-07-21 09:13
I'm really enjoying the theme/design of your website.
Do you ever run into any web browser compatibility problems?
A few of my blog readers have complained about my blog
not operating correctly in Explorer but looks great in Opera.
Do you have any ideas to help fix this problem?

My site - forex signal
provider: http://Fxforex-trading.com/
0 #20 Micheline 2017-07-06 19:09
I must say you have very interesting articles here.
Your content can go viral. You need initial boost only.
How to get massive traffic? Search for; Murgrabia's tools go viral

Also visit my web page - IzettaX: https://LeifX.blogspot.se
0 #19 Trent 2017-07-06 04:11
Hello guys! Who wants to meet me? I have profile at HotBabesCams.com, we can chat, you can watch me
live for free, my nickname is Anemonalove: https://3.bp.blogspot.com/-u5pGYuGNsSo/WVixiO8RBUI/AAAAAAAAAFA/JWa2LHHFI2AkHParQa3fwwHhVijolmq8QCLcBGAs/s1600/hottest%2Bwebcam%2Bgirl%2B-%2BAnemonalove.jpg , here is my pic:

0 #18 Maria Fernanda 2017-06-23 05:50
VIANA, Dirce Laplaca; PETENUSSO, Marcio.

Pare em meu local ; existe exercicio para evitar a ejaculacao
precoce? (Pedro Bryan: https://www.web-gay.net/top/index.php?a=stats&u=pauloeduardo60t)
0 #17 Corey 2017-06-20 03:09
Ate entao еu nao conhecia еste material.

my paցe :: Pɑra
Que Serve Cartao De Visita: http://www.xiulu.com/home.php?mod=space&uid=23377&do=profile&from=space
0 #16 Kyle 2017-06-18 05:57
Sucesso! Ola'. Infelizmente comigo nao funcionou.

Here is my web site como fazer para emagrecer rapido na academia: https://www.facebook.com/ReeducarEmagreceOficial
0 #15 Nicki 2017-06-17 20:27
Testado e Aprovado por mais de 10.197 pessoas.

Feel free to surf to my web-site ... como
emagrecer rapido e facil gratis: https://www.facebook.com/ReeducarEmagreceOficial

Add comment

Security code