Hello Muddah Hello Fadduh
This Grammy Award winning song by Allan Sherman is based on letters of complaint he received from his son at camp. It reached No 2 in the USA for 3 weeks in 1963.

The cache is at South 36° AB.CDE East 174° FG.HIJ
South questions are from the cartoon video:
A = How many tents are there?
B = How many days has he spent at Camp Grenada?
C = How many stripes on the arm of his jersey?
D = How many canoes on the river?
E = How many boys are being read Ulysses?
East questions are from the classic video:
F = How many photographs of parents do you see?
G = How many bears do you see?
H = How many people are in the boat + 1?
I = How many went hiking x 2?
J = How many alligators do you see?