Arturia BeatStep Pro MIDI/Analog Controller and Sequencer Kit with CV/Gate Cables (Black) - Manual (Page 105)

10.6.4. Sequence Events
10.6.4.1. Enter/delete notes
Double-click a square inside the piano roll to enter a note. To delete notes, select a note
with a single click or drag a box around several notes. Then press the Delete key on your
computer keyboard.
10.6.4.2. Move notes
To move an existing note, click and hold the middle of note. The cursor will become a hand
icon. Then drag the note up or down to place it anywhere within the MIDI note range.
You can also drag it to the left or right to place it anywhere within the sequence. If a note
already exists at the new location, it will be replaced by the note you are moving.
It’s also possible to move several notes at the same time. To do this, first drag a box around
the notes with the cursor:
Next, click on the middle of one of the notes and drag the selected notes up, down, left or
right.

♪ : If one of the selected notes moves outside the MIDI note range, the entire piano roll will glow red.
The same thing happens if the notes are moved beyond the 1^st^ or 64^th^ steps in the sequence.
Arturia - User Manual BeatStep Pro - MIDI Control Center 100