This is how I would play it:
“Speak” by: Myron Butler & Levi
Key C LH/RH
Part 1:
C / E-G-C I shall have
D / F-G-A-C what I decree,
E / G-C-E I believe
F / G-A-C-F it belongs to me,
Part 2:
D / G-A-C-F
G / G-C-E speak into the atmosphe-
A / G-A-C-F ere,
D / G-A-C-F
G / G-C-E speak into the atmosphe-
F / G-A-C- F ere,
Part 3:
G / G-C-E speak it, speak it,
A / G-A-C-F speak it, speak it,
G / G-C-E speak it, speak it,
F / G-A-C-F speak it, speak it,
special progression:
F / C-F-A
G / D-G-B
A / F-A-C
D / F-A-C
E / E-G-C
F / F-A-C