diff --git a/Eybler_Graduale_SperateInDeo_HV41_Instrument_Tim.pdf b/Eybler_Graduale_SperateInDeo_HV41_Instrument_Tim.pdf
index bfc68952947833b03f0ed478525c8b1f32fbd4d4..e74d4040023d6cc709d0619b852e4c171bd780d0 100644
Binary files a/Eybler_Graduale_SperateInDeo_HV41_Instrument_Tim.pdf and b/Eybler_Graduale_SperateInDeo_HV41_Instrument_Tim.pdf differ
diff --git a/Eybler_Graduale_SperateInDeo_HV41_Instrument_TrbI.pdf b/Eybler_Graduale_SperateInDeo_HV41_Instrument_TrbI.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..f784c738280873fb3966f14a554091146089a5f9
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diff --git a/Eybler_Graduale_SperateInDeo_HV41_Instrument_TrbII.pdf b/Eybler_Graduale_SperateInDeo_HV41_Instrument_TrbII.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..58e311a1dc4aa3cbebc678c1f4b6705406183dc1
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diff --git a/Eybler_Graduale_SperateInDeo_HV41_Music_GradualeSperateInDeo.ily b/Eybler_Graduale_SperateInDeo_HV41_Music_GradualeSperateInDeo.ily
index ef8d544b17bfc34fee57a2b9be52a631d7b67909..640583e9dc7b0a6605c9ad802668c9dd0563766a 100644
--- a/Eybler_Graduale_SperateInDeo_HV41_Music_GradualeSperateInDeo.ily
+++ b/Eybler_Graduale_SperateInDeo_HV41_Music_GradualeSperateInDeo.ily
@@ -618,7 +618,7 @@ GradualeSperateInDeoCorIIMusic = \relative c' {
 \addQuote "GradualeSperateInDeoCorIIMusic" { \GradualeSperateInDeoCorIIMusic }
 
 
-GradualeSperateInDeoTrbIMusic = \relative c' {
+GradualeSperateInDeoTrbIMusic = \relative c'' {
   R1*2 | % 3
   g2\fz a4 r | % 4
   e2\p d4 r | % 5
diff --git a/Eybler_Graduale_SperateInDeo_HV41_Settings_Global.ily b/Eybler_Graduale_SperateInDeo_HV41_Settings_Global.ily
index 7c8ef2e8cf1a0cedb9e9bc3001a7d3cdd67f1c51..d7f9850eb19e6ffe1dced342f9ad6ef304145522 100644
--- a/Eybler_Graduale_SperateInDeo_HV41_Settings_Global.ily
+++ b/Eybler_Graduale_SperateInDeo_HV41_Settings_Global.ily
@@ -26,6 +26,9 @@ scorenumber="EK-1041"
 CorIInstrumentName = "Corno I in C"
 CorIIInstrumentName = "Corno II in C"
 CorInstrumentName = "Corni in C"
-OrganScoreTitle = "Particell"
-OClef = \clef "bass"
+
 VcBInstrumentName = "Violone" 
+
+TrbClef = \clef "alto"
+TrbIClef = \clef "alto"
+TrbIIClef = \clef "alto"