+\version "2.14.0"
+
+\header {
+ texidoc = "
+A sample tablature with lettered tab,
+using fretLabels to modify the fret letters.
+
+By default, letters are drawn sequentially from the alphabet,
+but if the context property fretLabels is defined, these are
+substituted. If specified, the length of fretLabels must be
+sufficient to label all the frets used. A warning is issued
+if the length is too short.
+"
+}
+
+notes = \relative c' {
+ \time 3/4
+ <f d>4. <bes>8 <g e>4
+ \set fretLabels = #`("a" "b" ,(markup #:italic #:smaller "c"))
+ <f d>4. <bes>8 <g e>4
+ \set fretLabels = #`(,(markup #:with-color red "a")
+ "b"
+ ,(markup #:italic #:smaller "c"))
+ <f d>4. <bes>8 <g e>4
+ \set fretLabels = #'("α" "β" "γ")
+ <f d>4. <bes>8 <g e>4
+}
+
+\score {
+ \new TabStaff
+ \with {
+ stringTunings = #`(,(ly:make-pitch 1 3 0)
+ ,(ly:make-pitch 1 1 0)
+ ,(ly:make-pitch 0 5 0)
+ ,(ly:make-pitch 0 3 0)
+ ,(ly:make-pitch 0 1 0)
+ ,(ly:make-pitch -1 5 0))
+ tablatureFormat = #fret-letter-tablature-format
+ }
+ \new TabVoice {
+ \notes
+ }
+}