{
  % The default treble clef
  \key f \major
  c'1
  % The standard bass clef
  \set Staff.clefGlyph = "clefs.F"
  \set Staff.clefPosition = 2
  \set Staff.middleCPosition = 6
  \set Staff.middleCClefPosition = 6
  \key g \major
  c'1
  % The baritone clef
  \set Staff.clefGlyph = "clefs.C"
  \set Staff.clefPosition = 4
  \set Staff.middleCPosition = 4
  \set Staff.middleCClefPosition = 4
  \key f \major
  c'1
  % The standard choral tenor clef
  \set Staff.clefGlyph = "clefs.G"
  \set Staff.clefPosition = -2
  \set Staff.clefTransposition = -7
  \set Staff.middleCPosition = 1
  \set Staff.middleCClefPosition = 1
  \key f \major
  c'1
  % A non-standard clef
  \set Staff.clefPosition = 0
  \set Staff.clefTransposition = 0
  \set Staff.middleCPosition = -4
  \set Staff.middleCClefPosition = -4
  \key g \major
  c'1 \break

  % The following clef changes do not preserve
  % the normal relationship between notes, key signatures
  % and clefs:

  \set Staff.clefGlyph = "clefs.F"
  \set Staff.clefPosition = 2
  c'1
  \set Staff.clefGlyph = "clefs.G"
  c'1
  \set Staff.clefGlyph = "clefs.C"
  c'1
  \set Staff.clefTransposition = 7
  c'1
  \set Staff.clefTransposition = 0
  \set Staff.clefPosition = 0
  c'1

  % Return to the normal clef:

  \set Staff.middleCPosition = 0
  c'1
}

\paper { tagline = ##f }