Seq66 Basic Tutorial Pattern Editor
The figure below shows the Pattern Editor window. It is a bit small, so run `qseq66` (`qpseq66.exe` in Windows) to see the window elements. It is also available in the Editor tab of the main window via the right-click command Edit pattern in tab.
Main top bars. These bars allow setting the pattern title, time signature, length, chord-generation, output buss and channel, snap, note length, time zoom, and much more. Time line. Provides for vertical zoom and the time markers "L", "R" (for sub-looping), and "END". The L/R markers can be moved; a starting position can be set. Keys pane. Piano keys at left show the current note, the scale; a click to previews notes. Right-click cycles through the note-name style. Piano roll. Shows the notes in a track and a progress bar while playing. Notes can be recorded from a MIDI controller or be painted via the mouse. Copy/paste and note modification are supported. Left buttons. These support painting note, transposition setting, note-mapping, drum mode, chord-generation, and changing the events shown in the data pane. Event pane. This pane shows only the exact timing of selected events (e.g. Note On vs. Note Off). Movement and deletion are supported for non-note events. Data pane. The data pane shows the selected event plus their magnitude. By dragging the mouse, the height of each event can be modified. |
Bottom bar. The bottom bar allows selecting events to show/edit, provides low-frequency oscillator (LFO) adjustments, a loop-repetition count, buttons for arming, MIDI Thru, recording, style of recording, and note velocity.
Pattern Editor

This editor is jam-packed with functionality. Be sure to try clicking or right clicking on the grid and the various buttons. Hover the mouse cursor over an interface item; often a tool-tip will appear.