The cache is not at the above coordinates. It is located at the following location.
N 46 07.Z
W 064 49.Y
Z = D - L - H + P
Y = E - A - G - B - C + F - (K x M) - J - N + R
To find this cache you must first identify the following 14 songs from the late 1950's and the 1960's. (and one from 1970'S)