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Overview
Hapax can handle two projects (proA, proB) simultaneously. Each project contain 16 tracks. Here is an overview of the general structure of Hapax :

organisation simplified


 proA  and  proB  are directly accessible through their dedicated buttons. Each of them contains 16 tracks and can be played at the same time.

You can seemlessly load a project on  proA  while  proB  is running, for never ending live sets!
Saving, loading or creating a project
Hold  proA  or  proB  to access the Save / load menu, displayed on the right screen :



 Note 
The SD card must be inserted to save or load projects.

From this menu, you will be able to save your current project with the same name (SAVE), or a different name (SAVE AS...). You can also create a new project (NEW), or load a previously saved project (LOAD).
Project transitions
Hapax is a polychronic sequencer, meaning that it can process two different projects simultaneously and independently.

Saving, loading and mixing projects won't get you out of sync: perfect for live performances.

After loading a new project while another one is already running, the loaded project will be muted :

Then, while being on the freshly loaded project B, you are free to mute/unmute tracks and organize your patterns, in order to prepare your transition.

 Tip 
You can also select project A and mute some tracks or change patterns in order to get ready for the project mix.


When you are ready to launch project B, Hold  mute  and Press  proB  : both projects are now playing!

When you finally need to silence all tracks of your project A : Hold  mute  and press  proA  :

You can also save proA while the other is playing, load a new project to proA to prepare a new song transition, create a new project, ...

 Note 
When loading a project, if this project BPM differs from the playing project BPM, you will be asked to update the tempo (the two projects must share the same BPM for proper transitions).

 Tip 
While holding mute, you can mute/unmute tracks of a project, and while keeping mute held, select the other project and mute/unmute its tracks. Thanks to the mute group feature, the mute release will toggle the mute state of your both project, at the same time. Itʼs a great way to mix projectʼs tracks and enhance your song transitions.
Setting a project scale (pScale)
One major feature of Hapax is the ability to set a global scale for each project, which will constrain all notes to the selected pScale. It provides a simpler interface without “wrong” notes. You can set a new scale anytime and in real-time, itʼs a great studio tool to color your song.

Hold  proA  or  proB  to display the selected project settings on the left screen :



If you turn the pScale ON, the chosen scale will be applied to all the tracks that have their respective "pScale" parameters enabled (located in  2ND   track , enabled by default).

When this global pScale is enabled, the matrix pads only show the notes of the selected scale. There are never more than 8 notes in a scale, so the 8 rows will always show the same note.

For example, if the key note of the scale is F, the bottom row will always be the F note in the selected octave.


pScale drawing




 Note 
With pScale enabled, only in-scale notes can be added with the matrix pads. The piano roll navigation is based on octave increments.
Time signatures
Each project can hold its own time signature. By default, the TS is 4/4 common time, but you can easily and drastically change your songs grooves by using other signatures.
Hold  proA  or  proB  to enter project settings :

  • Rotate encoder ③ (pSignature) to set the upper numeral (number of beats in one bar)
  • Hold + Rotate the encoder ③ to set the lower numeral (note value that represents one beat)

Upper numeral

When a project to 7/4, each bar is made of 7 subdivisions (7), each being a quarter note (4).

Representation on the pianoroll leds will adapt accordingly:
  • One bar of 4/4 is displayed on 16 steps.
  • One bar of 7/4 is displayed on 28 steps.
As 28 steps won't fit on the 16 pads of the matrix, the first part will be displayed on page 1 and will end on page 2. Page 2 will contain only 12 steps.

Now Hold  2ND  + Press  >  to duplicate the pattern. You will end up with 2 bars of 7/4, which is 56 steps long at default zoom level (2 x 28).

By default, each beginning of a bar is displayed on a new page. This allows for easier navigation when using uncommon time signatures.

 Note 
This option can be disabled under : SETTINGS > MISC > SPLIT BARS = OFF

Lower numeral

  • A common 4/4 TS means 4 beats per bar, each beat representing a quarter note.
  • A 4/8 TS means 4 beats per bar, each beat representing an eight note (quaver). Your bar will end up being twice as fast as when a common 4/4 TS is used.
  • 4/2 means 4 beats per bar, each beat representing a half note. Your bar will end up being twice as slow as when a common 4/4 TS is used.

 Tip 
Common Time Signatures: quadruples (4/4, 12/8), triples (3/4, 9/8), duple (2/4 - 6/8), irregulars (5/4, 7/8)
Transpose (pTRSP)
Hold  proA  or  proB  to enter the project settings.
Rotate encoder ⑦ to enable  track  16 as the transpose leader for all the tracks in the project.  track  16 will start to blink.



The notes contained in  track  16 be used as reference for transposing all other tracks (1 to 15), if their pTRSP option is activated.

Track 16 can be used the same way as any track. You can play notes in live mode or with an external controller, write notes in step mode or use MIDI effects.

 Note 
By default, transpose is applied instantly. To switch to in-sync transposition, please go to SETTINGS > MISC > TRANSPOSE SYNC > INSTANT, BEAT, ONE BAR...