1 VoiceColorRed = {
 2                    \override Staff.StaffSymbol #'color = #red
 3                    \override Staff.LedgerLineSpanner #'color = #red
 4                    \override Staff.Clef #'color = #red
 5                    \override Staff.TimeSignature #'color = #red
 6                    \override Staff.KeySignature #'color = #red
 7                    \override Staff.BarLine #'color = #red %%Don't use Score.BarLine!
 8                    \override Staff.OttavaBracket #'color = #red
 9                    \override Voice.NoteHead #'color = #red
10                    \override Voice.Rest #'color = #red
11                    \override Voice.Stem #'color = #red
12                    \override Voice.Beam #'color = #red
13                    \override Voice.Slur #'color = #red
14                    \override Voice.PhrasingSlur #'color = #red
15                    \override Voice.Tie #'color = #red
16                    \override Voice.Dots #'color = #red
17                    \override Voice.Script #'color = #red
18                    \override Voice.TupletNumber #'color = #red
19                    \override Voice.TupletBracket #'color = #red
20                    \override Voice.BreathingSign #'color = #red
21 }
22 VoiceColorBlue = {
23                    \override Staff.StaffSymbol #'color = #blue
24                    \override Staff.LedgerLineSpanner #'color = #blue
25 %%                 \override Staff.Clef #'color = #blue
26 %%                 \override Staff.TimeSignature #'color = #blue
27 %%                 \override Staff.KeySignature #'color = #blue
28 %%                 \override Staff.BarLine #'color = #blue %%Don't use Score.BarLine!
29                    \override Staff.OttavaBracket #'color = #blue
30                    \override Voice.NoteHead #'color = #blue
31                    \override Voice.Rest #'color = #blue
32                    \override Voice.Stem #'color = #blue
33                    \override Voice.Beam #'color = #blue
34                    \override Voice.Slur #'color = #blue
35                    \override Voice.PhrasingSlur #'color = #blue
36                    \override Voice.Tie #'color = #blue
37                    \override Voice.Dots #'color = #blue
38                    \override Voice.Script #'color = #blue
39                    \override Voice.TupletNumber #'color = #blue
40                    \override Voice.TupletBracket #'color = #blue
41                    \override Voice.BreathingSign #'color = #blue
42 }
43 
44 st = \staccato %% Don't write !! st = { \staccato }