Here's the abc for the MIDI she supplied taken form Joe's Link X:5
T:POKAREKARE.MID
M: 4/4
L: 1/8
Q:1/4=120
K:F % 1 flats
% Pokarekare Ana
% By trad. Maori (early 20th C.)
% Generated by NoteWorthy Composer
V:1
% Staff-1
%%MIDI program 74
x6
% Pokarekare Ana
% By trad. Maori (early 20th C.)
% Generated by NoteWorthy Composer
C3/2x/2| \
AA GG2A4- A3/2x/2 C3/2x/2| \
F3/2x/2 EE D3-D/2x/2|
G4- G3/2x/2 DD| \
M: 2/4
L: 1/8
GG FF| \
M: 4/4
L: 1/8
E2- E/2x/2F G4-| \
G3/2x/2 C3/2x/2 DD EE|
F6- F3/2x/2| \
x2 F3/2x/2 G3/2x/2 A3/2x/2| \
[B3/2-B,3/2]B/2- [B-B,][B3/2-F,3/2]B/2-[B2-B,2-][B/2B,/2]x/2| \
D3/2x/2 F3/2x/2 B3/2x/2 [A3/2-A,3/2]A/2-|
[A3/2-F,3/2]A/2- [A-A,][A3/2-F,3/2]A/2-[A2-A,2-][A/2A,/2]x/2| \
F3/2x/2 FG A3/2x/2 G2-| \
G3/2x/2 G4- G3/2x/2| \
EE D3/2x/2 C3/2x/2 [F3/2-F,3/2]F/2-|
[F-F,][F-F,] [F3/2-B,3/2]F/2- [F3/2B,3/2]x/2 F,2-|F,3-F,/2