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--- mididocs:seq:chords [2014/09/26 01:00]
borfo [Resources]
+++ mididocs:seq:chords [2016/03/22 21:19] (current)
admin ↷ Links adapted because of a move operation
@@ Line 1: / Line 1: @@
-**[[mididocs:index|MIDIdocs]]**
+This page is obsolete, most information has been incorporated into the [[mididocs:seq:beginners_guide:start|Beginner's Guide]]
-======Chords======
-[[http://midibox.org/forums/topic/19067-mididocs-seqv4-chords-discussion-thread/|Forum Discussion Thread]] - for comments, corrections, or questions about this article
-When you initialize a track as a CHORD track type, the first parameter layer is a special "chord" layer.  Data on this layer is represented as upper or lower case letters with an octave offset.  The letters on CHORD layers are not related to note names - For example, an "A" is not necessarily an A chord.
-{{chord.gif}}
-When not transposed, the chords in a chord layer are all C chord variants.  A-P are C major chords and variants, a-p are C minor chords and variants.  You can play other chords by transposing the chord track (either by external keyboard, or with a loopback bus track).  For example:  To play a D major chord, choose an "A" chord type (C Major, root position), and send a D note to transpose the chord track.  To play an E minor chord, choose an "a" chord type (C Minor, root position), and send an E to transpose the chord track.
-You can also use the static transpose function (MENU -> Transpose) to transpose the chords by octaves or semitones (press SELECT to switch to semitone transposition).
-If you're not up on your music theory, you might want to use [[forceScale|Force-To-Scale]] when transposing chords to ensure that your results are always in key.
-When not transposed, the 32 chord letters correspond to the following chords:
-  * **A-C:** Major I, Major II, Major III (transposed variants)
-    * **A:** C Major (Root position) (notes: C E G)
-    * **B:** C Major (1st inversion) (notes: E G C)
-    * **C:** C Major (2nd inversion) (notes: G C E)
-  * **D-F:** Root note, 3rd note, 5th note (single notes)
-    * **D:** note: C
-    * **E:** note: E
-    * **F:** note: G
-  * **G,H:** Root+3rd, Root+5th
-    * **G:** notes: C E
-    * **H:** notes: C G
-  * **I-N:** Maj6, Maj7, Maj8, Maj9, Maj10, Maj12 (4-note chords)
-    * **I:** C Maj6 (notes: C E G A)
-    * **J:** C Maj7 (notes: C E G B)
-    * **K:** C Maj8 (notes: C E G C)
-    * **L:** C Maj9 (notes: C E G D)
-    * **M:** C Maj10 (notes: C G C E)
-    * **N:** C Maj12 (notes: C G C G)
-  * **O-P:** Sus4 and Maj+
-    * **O:** C Sus4 (notes: C F G)
-    * **P:** C Maj+ (notes: C E G#)
-  * **a-c:** Minor I, Minor II, Minor III (transposed variants)
-    * **a:** C Minor (Root position) (notes: C D# G)
-    * **b:** C Minor (1st inversion) (notes: D# G C)
-    * **c:** C Minor (2nd inversion) (notes: G C D#)
-  * **d-f:** Root note, 3rd Min. note, 5th note (single notes)
-    * **d:** note: C
-    * **e:** note: D#
-    * **f:** note: G
-  * **g,h:** Root+3rd min, Root+5th
-    * **g:** notes: C D#
-    * **h:** notes: C G
-  * **i-n:** Min6, Min7, Min8, Min9, Min10, Min12 (4-note chords)
-    * **i:** C Min6 (notes: C D# G A)
-    * **j:** C Min7 (notes: C D# G B)
-    * **k:** C Min8 (notes: C D# G C)
-    * **l:** C Min9 (notes: C D# G D)
-    * **m:** C Min10 (notes: C G C E)
-    * **n:** C Min12 (notes: C G C F#)
-  * **o-p:** CoG and Min+
-    * **o:** CoG (notes: C F G)
-    * **p:** C Min+ (notes: C E G#)
-====Adding Notes to Chord Tracks====
-Chord tracks can have additional NOTE [[layersintro|Parameter Layers]].  You can enter notes on these layers, and they will be played along with any chords on that step.
-The step recording feature is a great way to quickly enter chords on multiple NOTE layers - you don't have to use a CHORD track type to do that.  Step recording will be covered in a future MIDIdocs article.  Once that's written, I'll try to remember to come back here and link to it.
-====Example: Playing a Chord Progression====
-This example is based on TK's [[http://www.ucapps.de/midibox_seq_manual_tut3.html|Tutorial on how to use chords, transposition, and loopback to play a chord progression]] - that tutorial has audio examples and detailed steps.  I'll summarize it briefly here, and give an example of how to play the same progression in a different key.
-To play a iii-vi-i-iii progression in C Major - Em-Am-C-Em - is relatively simple, because it's in the key of C.
-: set force to scale to C Major
-: Enter some chord letters in the chord track - Since force-to-scale is enabled, you can enter pretty much any chord letter - the C minor variants will be forced-to-scale to fit the C Major scale anyway.
-: Initialize a different track as a note track on your SEQ, set the MIDI out port to one of the BUS ports.  Enter a progression of notes as follows: E-A-C-E.
-: Set the transpose source on your chord track to the same bus that your NOTE track is on.
-...Transpose + Force-to-scale will ensure that your chord track plays an Em-Am-C-Em progression.
-===Playing the same progression in Eb Harmonic Minor===
-Notes in Eb Harmonic Minor are: Eb F Gb Ab Bb Cb D Eb
-Chords in Eb Harmonic Minor are:
-i: Eb Minor (notes: Eb Ab Cb)
-ii: F Diminished
-iii: Gb Augmented (notes: Gb Bb D)
-iv: Ab Minor
-v: Bb Minor
-vi: Cb Major (notes: Cb Eb Gb)
-vii: D diminished
-So, a iii-vi-i-iii progression in the key of Eb Harmonic Minor is: Gb Augmented - Cb Major - Eb Minor - Gb Augmented.  To play that progression, use the same chord track from the previous example, and:
-: set force to scale to Eb Harmonic Minor.
-: clear your NOTE bus track, and enter this progression of notes: Gb - Cb - Eb - Gb
-...Transpose and force-to-scale will ensure that your chord track plays a Gb Augmented - Cb Major - Eb Minor - Gb Augmented progression.
-====Resources====
-  * [[http://www.ucapps.de/midibox_seq_manual_tut3.html|Tutorial on how to use chords, transposition, and loopback to play a chord progression]] - with audio examples.
-  * SOURCE CODE: [[http://svnmios.midibox.org/filedetails.php?repname=svn.mios32&path=%2Ftrunk%2Fapps%2Fsequencers%2Fmidibox_seq_v4%2Fcore%2Fseq_chord.h|seq_chord.h]]
-  * SOURCE CODE: [[http://svnmios.midibox.org/filedetails.php?repname=svn.mios32&path=%2Ftrunk%2Fapps%2Fsequencers%2Fmidibox_seq_v4%2Fcore%2Fseq_chord.c|seq_chord.c]]

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