Here is a little help, I'll give you the progression numbers (bass notes):
Key C (A minor) LH only
Intro:
6
1
4
6
2
3
4
5
7
3
Part 1:
6
7
1
Shout O Zion,
2
3
4
give God glory,
3
#4
#5 He
is worthy of the
6 praise, the praise the *2nd time around go to next part from here
7 praise,
3 all the praise,
(repeat)
6
7
#1
6
2 we
de-
3 clare
Your praise
4 to
#4 day,
1
b7
b6
5 glo-
4 ry,
3 Hal-
le
2 lu-
3 jah,
4
2
(repeat)
5 glo-
4 ry,
3 Hal-
2 le-
#1 lujah,
5 Zi-
6 on
7 re-
1 joi- *2nd time, stop and go to Part 2 from here
7 oi-
6 oi-
3 oice,
(back to beginning)
Part 2:
5
4
3 rejoice,
4 He's worthy,
#4 rejoice,
5 He's holy,
#5 rejoice,
6 give Him glory, *last time go on from here
5 Zi-
6 on
7 re-
1 joice,
(repeat 2x)
give Him
6 glo-
7
1
7 ry,
6
5
#4 ryyy
3
2
1
b7
b6
5 glo-
4 ry,
3 Hal-
le
2 lu-
3 jah,
4
2
(repeat)
Key Change to Db (Bb minor):
5 glo-
4 ry,
3 Hal-
le
2 lu-
3 jah,
4
2
(repeat)
Key Change to D (B minor):
5 glo-
4 ry,
3 Hal-
le
2 lu-
3 jah,
4
2
(repeat)
5 glo-
4 ry,
3 Hal-
2 le-
#1 lujah,
5 Zi-
6 on
7 re-
6 joice
7 right
#1 now,
Part 3:
4
3
rejoice O Zion,
4
3
rejoice and
1 give
2 Him
3 some
4 pra-
3 aise,
rejoice O Zion,
4
3
rejoice,
6
7
1 re-
Key change to Eb
2 joice,
3
Part 3 madulated to Eb:
4
3
rejoice O Zion,
4
3
rejoice and
1 give
2 Him
3 some
4 pra-
3 aise,
rejoice O Zion,
4
3
rejoice,
6
7
1 re-
Key change to E
2 joice,
3
Part 3 modulated to E:
4
3
rejoice O Zion,
4
3
rejoice and
1 give
2 Him
3 some
4 pra-
3 aise,
rejoice O Zion,
4
5
#5
6 rejoice
2
1 re-
Key change to F
1 joice,
Part 3 modulated to F:
4
3
rejoice O Zion,
4
3
rejoice and
1 give
2 Him
3 some
4 pra-
3 aise,
rejoice O Zion,
4
3
rejoice,
6
7
1 re-
Key change to F#/Gb
2 joice,
3
Part 3 modulated to F#/Gb:
4
3
rejoice O Zion,
4
3
rejoice and
1 give
2 Him
3 some
4 pra-
3 aise,
rejoice O Zion,
4
3
rejoice,
2
#2
3 rejoice,
Part 4:
6
6 re-
6 joice,
6
O Zion,
(repeat 7x)
1
2
3
(back to Part 3 in F#/Gb)