--- ptmsk-8.sh	Sun Jun 21 00:00:00 2015
+++ ptmsk-9.sh	Mon Jun 22 00:00:00 2015
@@ -1,11 +1,11 @@
 #!/bin/bash
 
 SONG=ptmsk
-VER=8
+VER=9
 VOL=all:5
 TEMPO=560000	# usec
 
-PARTS="gc dmsm bs hc dr lead lead2 br"
+PARTS="gc dmsm bs hc dr lead lead2 br bk bk_c"
 
 SEQS=(i0 i1 a0 a1 a2 b c d a1 a2 b c i2 a0 a1 a2 a3 a4 a3 a4 e)
 LENS=(2  4  4  4  4  4 5 2 4  4  4 5 4  4  4  4  4  4  4  4  2)
@@ -465,7 +465,7 @@
 len=1/16 note=E5
 len=1/16 note=D5
 len=3/16 note=C5
-len=3/16 note=A4
+len=3/16 note=F4
 len=1/8  note=C5
 EOF
 
@@ -498,8 +498,7 @@
 len=1/16 note=C6
 len=1/8  note=G6
 len=1/16 note=F6
-len=1/16 note=E6
-len=1/16 note=G6
+len=1/8  note=E6
 EOF
 
 $MIDTXT -len -ch $CH > $P.3 <<EOF
@@ -536,10 +535,8 @@
 # a1 a2 a3 a4
 $MIDTXT -len -ch $CH > $P.1 <<EOF
 len=1/8  note=R
-#len=1/16 chord=Am/C5
-#len=1/16 chord=Am/C5
-len=1/16 note=A5,C5,E5	;;; Am
-len=1/16 note=A5,C5,E5	;;; Am
+len=1/16 chord=Am/E5
+len=1/16 chord=Am/E5
 len=3/4  note=R
 EOF
 
@@ -572,6 +569,82 @@
 cat r.1 r.1 r.1 $P.8 > $P.c
 cp $P.a1 $P.a3
 cp $P.a2 $P.a4
+
+#
+# Backing Chord
+#
+P=bk
+CH=8
+CH_VOL=20
+PROG=49		# string ensemble 1
+
+$SED >> setting <<EOF
+delta=0 prog_num ch=$CH v=$PROG
+delta=0 ctl_chg ch_vol_msb ch=$CH v=$CH_VOL
+EOF
+
+# a0 a1 a2 a3 a4
+$MIDTXT -len -ch $CH > $P.1 <<EOF
+len=1/16 chord=Am/A6
+len=1/16 chord=Am/A6
+len=5/16 note=R
+len=1/16 chord=Em7/G6
+len=1/2  note=R
+EOF
+
+$MIDTXT -len -ch $CH > $P.2 <<EOF
+len=1/16 chord=FM7/A6
+len=1/16 chord=FM7/A6
+len=5/16 note=R
+len=1/16 chord=Em7/G6
+len=1/2  note=R
+EOF
+
+# b
+$MIDTXT -len -ch $CH > $P.3 <<EOF
+len=13/16 chord=CM7/C6
+len=3/16  chord=FM7/E6
+EOF
+
+cat $P.1 $P.1 $P.2 $P.2 > $P.i1
+cp $P.i1 $P.a0
+cat $P.1 $P.1 $P.2 r.1 > $P.a1
+cp $P.a1 $P.a2
+cp $P.a1 $P.a3
+cp $P.a1 $P.a4
+cat $P.3 $P.3 $P.3 $P.3 > $P.b
+
+#
+# Backing Chord (c)
+#
+P=bk
+CH=11
+CH_VOL=40
+PROG=28		# electric guitar (clean)
+PAN=84
+
+$SED >> setting <<EOF
+delta=0 prog_num ch=$CH v=$PROG
+delta=0 ctl_chg ch_vol_msb ch=$CH v=$CH_VOL
+delta=0 ctl_chg pan_msb ch=$CH v=$PAN
+EOF
+
+# c
+$MIDTXT -len -ch $CH > $P.c <<EOF
+len=1/2 chord=F/F3
+len=1/2 chord=G/G3
+len=1/2 chord=F/A3
+len=1/2 chord=G/B3
+
+len=3/8 chord=Dm/F4
+len=1/8 chord=Em/G4
+len=1/2 chord=FM7/A4
+
+len=1/2 chord=Gsus4/G4
+len=1/2 chord=G/G4
+len=1/2 chord=Asus4/A4
+len=1/2 chord=A/A4
+EOF
 
 #
 # Gather and Trans