Logic Pro / GarageBand User Guide: Event List Data Reference

LP-GB-MIDI-Event-List-Data-Reference.md

Logic Pro / GarageBand User Guide: Event List Data Reference

This guide details the procedures for extracting raw event parameters from your project and defines each data column using official Apple interface specifications.

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Copying Event Data from the Editors Workspace

To copy MIDI events as tab-delimited text from your project (GarageBand):

1. Open the Editor: Select a MIDI region in the Tracks area and choose View > Show Editors (or press E).
2. Select the View: Click either the Piano Roll or Score tab in the Editor menu bar.
3. Select Events: Click inside the editor grid workspace and choose Edit > Select All (or press Command–A).
4. Copy to Clipboard: Choose Edit > Copy (or press Command–C).
5. Paste Destination: Open a text document or spreadsheet and choose Edit > Paste (or press Command–V).

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Parameter Mapping Example

        Position::::::: Status::::: Ch: Num:::: Val:::::::: Length/Info:::::
        1. 1. 1.     1 	Note#EvE	 	1	 	G4	 	  74	        0. 0. 3.     0 

Raw Event Data Example

        1. 1. 1.     1 	Note#EvE	 	1	 	G4	 	  74	        0. 0. 3.     0 
        1. 2. 1.     1 	Note#EvE	 	1	 	C4	 	  57	        0. 0. 0. 228 
        1. 2. 3.     1 	Note#EvE	 	1	 	E4	 	  68	        0. 0. 3. 132 
        1. 3. 3.     1 	Note#EvE	 	1	 	E4	 	  68	        0. 0. 1. 132 
        1. 4. 1.     1 	Note#EvE	 	1	 	C4	 	  57	        0. 0. 0. 228 
        1. 4. 3.     1 	Note#EvE	 	1	 	G3	 	  57	        0. 0. 0. 228 
        2. 1. 1.     1 	Note#EvE	 	1	 	D4	 	  68	        0. 0. 1. 132 
        2. 1. 3.     1 	Note#EvE	 	1	 	D4	 	  68	        0. 0. 1.     0 
        2. 1. 4.     1 	Note#EvE	 	1	 	D4	 	  68	        0. 0. 1.     0 
        2. 2. 2.     1 	Note#EvE	 	1	 	C4	 	  75	        0. 0. 1.   52 
        2. 2. 3.     1 	Note#EvE	 	1	 	D4	 	  68	        0. 0. 2.     0 

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Event List Column Specifications

The table structure matches the default parameter layouts defined in the Logic Pro Event List User Guide.

Position

• Parameter: Position
• Format: Bars . Beats . Divisions . Ticks
• Description: Displays the point in time where the event starts [Apple Logic Pro].
• Value Ranges:
  • Bars: 1–9999 (Project length constraint)
  • Beats: 1–4 (Based on a standard 4/4 time signature)
  • Divisions: 1–4 (Representing 16th-note subdivisions)
  • Ticks: 1–240 (Based on 960 Parts Per Quarter Note / PPQN system clock resolution) [Apple Logic Pro Change Event]

Status

• Parameter: Status
• Format: Alphanumeric String
• Description: Displays the event type [Apple Logic Pro].
• Values: Note#EvE (The raw clipboard expression representing a standard MIDI Note event), SysEx, Control, PitchBend, ProgChg.

Ch

• Parameter: Ch
• Format: Integer
• Description: Displays the MIDI channel of an event [Apple Logic Pro].
• Value Range: 1–16

Num

• Parameter: Num
• Format: Alphanumeric Note Name / Pitch Register
• Description: Displays the MIDI note number (or pitch) [Apple Logic Pro].
• Value Range: C-2–G8 (Corresponding to internal MIDI note integers 0–127. Middle C displays as C3, corresponding to note number 60).

Val

• Parameter: Val
• Format: Integer
• Description: Displays the velocity of a note event [Apple Logic Pro].
• Value Range: 1–127 (Values specify strike velocity; a value of 0 is interpreted as a Note Off command).

Length/Info

• Parameter: Length/Info
• Format: Bars . Beats . Divisions . Ticks
• Description: Displays the duration of the note event [Apple Logic Pro].
• Value Ranges:
  • Bars: 0–9999
  • Beats: 0–3
  • Divisions: 0–3
  • Ticks: 0–239 (Values accumulate incrementally beginning at zero)