diff --git a/Session/AllInAGardenGreen.abc b/Session/AllInAGardenGreen.abc
index 4bbb404..6bef635 100644
--- a/Session/AllInAGardenGreen.abc
+++ b/Session/AllInAGardenGreen.abc
@@ -2,7 +2,6 @@ X:1015
 T:All in a Garden Green
 T:Harwood Hall
 R:March
-C:Trad.
 O:England
 Z:Paul Hardy's Session Tunebook 2013 (see www.paulhardy.net). Creative Commons cc by-nc-sa licenced.
 N: Change: GatheringPeascods.abc
diff --git a/Session/BearDance.abc b/Session/BearDance.abc
index 02e27c7..4bd04f6 100644
--- a/Session/BearDance.abc
+++ b/Session/BearDance.abc
@@ -1,6 +1,5 @@
 X:1
 T:Bear Dance
-C: Trad.
 R:polka
 S: Nick Barber
 M:2/4
diff --git a/Session/BrightonCamp.abc b/Session/BrightonCamp.abc
index 00a3eb7..2a05b3b 100644
--- a/Session/BrightonCamp.abc
+++ b/Session/BrightonCamp.abc
@@ -1,7 +1,6 @@
 X:1
 T:Brighton Camp
 T:The girl I left behind me
-C:Trad.
 O:England
 R:March
 Z:Transcribed by Bryan Creer
diff --git a/Session/EmmaFromFinland.abc b/Session/EmmaFromFinland.abc
index 0845a4a..d1291fd 100644
--- a/Session/EmmaFromFinland.abc
+++ b/Session/EmmaFromFinland.abc
@@ -2,7 +2,6 @@ X: 1
 T: Emma From Finland
 M: 3/4
 L: 1/4
-C: Anon
 O: Finland
 K: FMaj
 D/F/ |: "Dm" A2 A | F D F | A2 A | F D D/F/ |
diff --git a/Session/GatheringPeascods.abc b/Session/GatheringPeascods.abc
index b7cf29b..9942f0a 100644
--- a/Session/GatheringPeascods.abc
+++ b/Session/GatheringPeascods.abc
@@ -1,7 +1,6 @@
 X:1
 T:Gathering Peascods
 M:C|
-C:Trad.
 S:Playford
 N:DM I: 1651-1690, transposed from A to G
 O:England
diff --git a/Session/GreenMountainPetronella.abc b/Session/GreenMountainPetronella.abc
index ea99e60..2d7ec1c 100644
--- a/Session/GreenMountainPetronella.abc
+++ b/Session/GreenMountainPetronella.abc
@@ -1,7 +1,6 @@
 X:1
 T:Green Mountain Petronella
 S: Nick Barber
-C: Trad.
 O: Newfoundland
 R: Reel
 Q: 140
diff --git a/Session/HorsesBrawl.abc b/Session/HorsesBrawl.abc
index 00ebb74..328f6de 100644
--- a/Session/HorsesBrawl.abc
+++ b/Session/HorsesBrawl.abc
@@ -2,7 +2,7 @@ X:1
 T:Horse's Brawl
 T:Le Bransle des Chevaux
 R:Reel
-C:From Arbeau, Orchesographie, 1689
+S:From Arbeau, Orchesographie, 1689
 O:France
 M:C|
 L:1/4
diff --git a/Session/LouthQuickstep.abc b/Session/LouthQuickstep.abc
index 3290f3e..209f357 100644
--- a/Session/LouthQuickstep.abc
+++ b/Session/LouthQuickstep.abc
@@ -1,7 +1,7 @@
 X: 1
 T: Louth Quickstep
-C: Joshua Gibbons MS
 O: Lincs
+S: Joshua Gibbons MS
 S: Peter D Sumner, Breakfast Publications, Grimsby
 M: 2/4
 K: G
diff --git a/Session/RiggedShip.abc b/Session/RiggedShip.abc
index 4a5bb61..6c00982 100644
--- a/Session/RiggedShip.abc
+++ b/Session/RiggedShip.abc
@@ -1,6 +1,5 @@
 X: 1
 T: Rigged Ship, The
-C: Trad.
 M: 6/8
 L: 1/8
 K: Gmaj
diff --git a/Session/SalmonTails.abc b/Session/SalmonTails.abc
index 947b124..0fdb6c3 100644
--- a/Session/SalmonTails.abc
+++ b/Session/SalmonTails.abc
@@ -1,7 +1,6 @@
 X:1
 T:Salmon Tails
 % Nottingham Music Database
-C:Trad.
 S:via PR
 M:4/4
 L:1/4
diff --git a/Session/ThemeVannetaise.abc b/Session/ThemeVannetaise.abc
index 6193afa..83e4d1f 100644
--- a/Session/ThemeVannetaise.abc
+++ b/Session/ThemeVannetaise.abc
@@ -1,7 +1,6 @@
 X: 1
 T: Theme Vannetaise
 T: Twiglet
-C: Trad.
 O: Brittany
 M: 4/4
 K: G
diff --git a/Session/WillsWay.abc b/Session/WillsWay.abc
index 6d959f5..f1d9872 100644
--- a/Session/WillsWay.abc
+++ b/Session/WillsWay.abc
@@ -1,6 +1,5 @@
 X: 1
 T: Will's Way
-C: Trad.
 N: Change: ThreeAroundThree.abc
 M: 4/4
 L: 1/8