The Geocache is NOT at the posted coordinates!!
You must correctly identify the featured musical instrument to get the correct set of coordinates. Type in the correct name of the instrument. Four choices are listed. One of them is the right one.

This instrument is the largest and lowest-pitched bowed string instrument in the modern symphony orchestra. It is a standard member of the orchestra's string section, as well as the concert band, and is featured in concertos, solo and chamber music in western classical music. This instrument is used in a range of other genres, such as jazz, 1950s-style blues and rock and roll, rockabilly, psychobilly, traditional country music, bluegrass, tango and many types of folk music.
Cello
String Bass
Viola
Violin

You can validate your puzzle solution with certitude.
Congrats to 2xArcher, Mrs2XArcher, Planecrazy62 and Gunner for making the FTF