By Wayne Erbsen
Over the years, there’s been a dizzying array of gizmos created to help us find the right pitch for singing or to help us tune our instruments. The first one I remember was a round pitch pipe the music teacher in my elementary school used when we would sing in class.
When I first started playing the guitar in the early 1960s, it was common to use a tuning fork. Since that time I’ve heard that tuning forks have been produced in different sizes and pitches, but my only experience was with an “A” tuning fork. I