README.md

In RoJoRZ/GuitarModes: Find the positioning of different modes and ground tones on your guitar

GuitarModes

Introduction

Find the positioning of different modes on your guitar. Indicate which chords can be played in the choosen mode/tune and indicate the position of ground notes. Functions defined as R package complemented with a Shiny app for interactive usage. Available at: https://rojorz.shinyapps.io/GuitarModes/

Installation

Using devtools the package can be installed from github:

install.packages("devtools") library(devtools) install_github("RoJoRZ/GuitarModes")

Package functionality

The package consist out of several core functions:

Done:

1. GetNote: Get the note from a given posion (with flexible tuning)
2. GetPosition: Get all positions of a certain note (with flexible tuning)
3. GetMode: Get mode positions and tones (at standard tuning)
4. CombineModes: Start with a mode in a tune and get the positions of the other modes
5. GuitarPlot: Plot Guitar with flexible label size, number of frets, first and last fret to show

Below we give some examples of the core functions

Get a note from a given position:

GetNote(string = 1,position = 3)

##   equiv1 equiv2 equiv3
## 8      G     Fx    Abb

Get positions of a given note:

Apositions <- GetPosition("A")

## Warning: package 'bindrcpp' was built under R version 3.5.2

kable(Apositions)

| string| position| note | |-------:|---------:|:-----| | 1| 5| A | | 1| 17| A | | 2| 0| A | | 2| 12| A | | 3| 7| A | | 3| 19| A | | 4| 2| A | | 4| 14| A | | 5| 10| A | | 5| 22| A | | 6| 5| A | | 6| 17| A |

Plot on a GuitarPlot

GuitarPlot(Apositions, labsize = 3)

Get and plot the Ionian mode in C

Ionian3 <- GetMode(tune = "C",nfrets = 22,mode = "Ionian3")
GuitarPlot(Ionian3, labsize = 3)

Get and plot the Ionian mode in A#

Ionian3 <- GetMode(tune = "A#",nfrets = 22,mode = "Ionian3")
GuitarPlot(Ionian3, labsize = 3)

Get and plot the Ionian mode in C highlight the target notes (1,3,5) from D. Target 1 = target notes 1,3,5 and target 2 = target notes 1,3,5 and 7. Targetstart is the position of the chord in the base mode.

Ionian3 <- GetMode(tune = "C",nfrets = 22,mode = "Ionian3")
GuitarPlot(Ionian3, labsize = 3, target = 1, targetstart = 2)

Get and plot the Ionian mode in C highlight the target notes (1,3,5,7) from E.

Ionian3 <- GetMode(tune = "C",nfrets = 22,mode = "Ionian3")
GuitarPlot(Ionian3, labsize = 3, target = 2, targetstart = 3)

All the above is possible for each church mode: Ionian3, Dorian3, Phrygian3, Lydian3, MixoLydian3, Aeolian3, Locrian3. For example get and plot the Phrygian3 mode in E

Phrygian3 <- GetMode(tune = "E",nfrets = 22,mode = "Phrygian3")
GuitarPlot(Phrygian3, labsize = 3)

Now it is also possible to combine modes. For example get positions Ionian, Phrygian and Aeolian3 modes starting from C Ionian:

Combine <- CombineModes(tune = "C",basemode = "Ionian3", modes = c("Phrygian3", "Aeolian3"))
GuitarPlot(Combine)

Again but now highlighting the target notes from the C7 chord:

Combine <- CombineModes(tune = "C",basemode = "Ionian3", modes = c("Phrygian3", "Aeolian3"))
GuitarPlot(Combine, target = 2, targetstart = 1)

Or completely flexible generate any chord or setting in the plot

Ecord <- data.frame(string = c(1,2,3,4,5,6), 
                    position = c(0,2,2,1,0,0), 
                    note = c("E", "B", "E", "G#/Ab","B", "E"))
GuitarPlot(Ecord, nfrets = 4, labsize = 4)

RoJoRZ/GuitarModes documentation built on May 6, 2019, 11:23 a.m.