I doubt Sandman will have used lilypond. Anyway, here is an abc2ly conversion of a version of the an abc of Kesh Jig taken from the Internet.
Original abc:
X:1
T:The Kesh Jig
O:Ireland
S:John B. Walsh Session Tunes
R:Jig
M:6/8
K:G
P:A
|:D|"G"~G3 GAB|"D"ABA ABd|"G"edd gdd|"G"edB "D"dBA|
"G"~G3 GAB|"D"ABA ABd|"G"edd gdB|"D"AGF "G"G2:|
P:B
|:A|"G"~B3 dBd|"C"ege "G"dBG|"G"~B3 dBG|"D"ABA AGA|
"G"BAB dBd|"C"ege "G"dBd|"G"gfg "D"aga|"G"bgf g2:|
Lilypond:
\version "2.7.40"
\header {
crossRefNumber = "1"
footnotes = ""
origin = "Ireland"
subtitle = "John B. Walsh Session Tunes"
tagline = "Lily was here 2.18.2 -- automatically converted from ABC"
title = "The Kesh Jig"
}
voicedefault = {
\set Score.defaultBarType = ""
\time 6/8 \key g \major \repeat volta 2 { d'8 \bar "|" g'4. ^"G"^"~"
g'8 a'8 b'8 \bar "|" a'8 ^"D" b'8 a'8 a'8 b'8 d'8
\bar "|" e'8 ^"G" d'8 d'8 g'8 d'8 d'8 \bar "|" e'8
^"G" d'8 b'8 d'8 ^"D" b'8 a'8 \bar "|" g'4. ^"G"^"~"
g'8 a'8 b'8 \bar "|" a'8 ^"D" b'8 a'8 a'8 b'8 d'8
\bar "|" e'8 ^"G" d'8 d'8 g'8 d'8 b'8 \bar "|" a'8 ^"D"
g'8 fis'8 g'4 ^"G" } \repeat volta 2 { a'8 \bar "|" b'4.
^"G"^"~" d'8 b'8 d'8 \bar "|" e'8 ^"C" g'8 e'8 d'8
^"G" b'8 g'8 \bar "|" b'4. ^"G"^"~" d'8 b'8 g'8 \bar "|"
a'8 ^"D" b'8 a'8 a'8 g'8 a'8 \bar "|" b'8 ^"G" a'8
b'8 d'8 b'8 d'8 \bar "|" e'8 ^"C" g'8 e'8 d'8 ^"G"
b'8 d'8 \bar "|" g'8 ^"G" fis'8 g'8 a'8 ^"D" g'8
a'8 \bar "|" b'8 ^"G" g'8 fis'8 g'4 }
}
\score{
<<
\context Staff="default"
{
\voicedefault
}
>>
\layout {
}
\midi {}
}
I've put the resulting pdf at http://jonbanjo.com/temp/kesh.pdf
sj