The piano roll editor allows you edit individual notes and tweak aspects of their playback.
Piano roll editor musescore.
It lets you compose edit and play midi files with a few clicks in a user friendly interface offering score keyboard guitar drum and controller views.
Aria maestosa is a midi sequencer editor.
You can insert and delete notes change their pitch move them between voices edit the start time length or velocity of multiple notes using a graphical interface and more.
It lets you add musical notes change velocity add or import lyrics etc.
When you open the piano roll editor via the popup menu created by right clicking in the staff the view will scroll to focus on the staff position where the mouse click occurred.
The bars are colored to distinguish white keys from back keys.
The piano roll editor accessed via right click on any measure of any staff is also greatly enhanced allowing fine control of the playback of each note in your score.
You can edit individual tracks of the midi file using piano roll.
The things you want to adjust are ontime and len.
The piano roll editor will open showing the staff and measure where you clicked.
Ontime is specifically what sort of delay the note should have from its default on time which is zero.
You can also delete a midi event using midi events tab.
The layout has been adjusted to show 12 bars per octave one for each tone.
Then click on the note that you want to adjust.
Opening the piano roll editor.