Add some basic SA/SAB a cappella arrangements

These might be in use for Ash Wednesday?

hallelujah-what-a-savior-sab.ly

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+% Based on https://hymnary.org/page/fetch/CEL1997/303/high
+
+\version "2.24.4"
+\language "english"
+
+\header {
+  title = "Hallelujah, What a Savior!"
+  composer = "Philip P. Bliss, 1875"
+  tagline = "" % Suppress "Music Engraving by Lilypond"
+}
+
+soprano = \relative f' {
+  \key bf \major
+  f4 f f d | bf' bf a2 |
+  g4 g f bf | a g f2 |
+  f4 f f d | bf' bf bf
+
+  bf8. c16 | d2 c4 bf8. g16 | g2 f \bar "|."
+}
+
+alto = \relative c' {
+  d4 d d bf | d d d( c) |
+  bf c d f | f e c2 |
+  d4 d d bf | d ef d
+
+  f8. f16 | f2 f4 d8. d16 | ef2 d |
+}
+
+baritone = \relative c' {
+  \clef bass
+  \key bf \major
+  bf4 bf bf f | g g fs2 |
+  g4 a bf d | c bf a2 |
+  bf4 bf bf f | f g f
+
+  bf8. a16 | bf2 a4 bf8. bf16 | bf2 bf |
+}
+
+sopTransition = \relative f' {
+    \key bf \major
+    f4 bf,8( c) d( ef) f4 |
+    \key b \major
+    fs4 as,8( b) cs( ds) e4 \bar "||"
+}
+
+altoTransition = \relative d' {
+    \key bf \major
+    d4 bf bf8( c) d4 |
+    \key b \major
+    cs4 as8( b) as( b) cs4 |
+}
+
+bariTransition = \relative bf {
+    \key bf \major
+    bf4 a af af |
+    \key b \major
+    as as8( gs) fs4 fs |
+}
+
+verseOne = \lyricmode {
+  \set stanza = "1. "
+  “Man of Sor -- rows!” what a name
+  For the Son of God, who came
+  Ru -- ined sin -- ners to re -- claim!
+}
+
+verseTwo = \lyricmode {
+  \set stanza = "2. "
+  Bear -- ing shame and scoff -- ing rude,
+  In my place con -- demned He stood—
+  Sealed my par -- don with His blood;
+}
+
+verseThree = \lyricmode {
+  \set stanza = "3. "
+  Guil -- ty, vile, and help -- less we,
+  Spot -- less Lamb of God was He;
+  Full a -- tone -- ment! can it be?
+}
+
+verseFour = \lyricmode {
+  \set stanza = "4. "
+  Lift -- ed up was He to die,
+  “It is fin -- ished!” was His cry;
+  Now in heav'n ex -- alt -- ed high;
+}
+
+verseFive = \lyricmode {
+  \set stanza = "5. "
+  When He comes, our glo -- rious King,
+  All His ran -- somed home to bring,
+  Then a -- new this song we'll sing:
+}
+
+refrain = \lyricmode {
+  Hal -- le -- lu -- jah, what a Sav -- ior!
+}
+
+\score {
+  <<
+    \new ChoirStaff <<
+      \new Staff = "soprano" <<
+        \new Voice = "soprano" { \voiceOne \soprano }
+        \new Lyrics \lyricsto soprano { \verseOne }
+        \new Lyrics \lyricsto soprano { \verseTwo }
+        \new Lyrics \lyricsto soprano { \verseThree \refrain }
+        \new Lyrics \lyricsto soprano { \verseFour }
+        \new Lyrics \lyricsto soprano { \verseFive }
+        \new Voice = "alto" { \voiceTwo \alto }
+      >>
+      \new Staff = "baritone" <<
+        \new Voice = "baritone" { \voiceThree \baritone }
+      >>
+    >>
+  >>
+  \layout { }
+}
+
+% Optional modulation between verses four and five
+\score {
+  <<
+    \new ChoirStaff <<
+      \new Staff = "sopTransition" <<
+        \new Voice = "sopTransition" { \voiceOne \sopTransition }
+        \new Lyrics \lyricsto sopTransition { \refrain }
+        \new Voice = "altoTransition" { \voiceTwo \altoTransition }
+      >>
+      \new Staff = "bariTransition" <<
+        \clef bass
+        \new Voice = "bariTransition" { \voiceThree \bariTransition }
+      >>
+    >>
+  >>
+  \layout { }
+}