Epic Hydraulic Elevator Motor Compilation (Episode 1)

Here’s the epic hydraulic elevator motor compilation (episode 1).
Can you guys please tell me where the letters and the motor pitches are at?
A: B-Flat
B: B-Flat
C: D-Flat
D: B-Flat
E: B-Flat
F: G
G: A-Flat
H: D
I: A
J: B-Flat
K: B-Flat
L: D
M: E
N: A-Flat
O: B-Flat
P: B-Flat
Q: G
R: B-Flat
S: G
Elevators and Friends by Alexander S Elevators Copyright 2019