Research is what I’m doing when I don’t know what I’m doing. —Werner von Braun
Without deviation from the norm, progress is not possible. —Frank Zappa
Experience is a difficult teacher, it gives the test first and the lesson after.
I like those! I looked them up, and the first site I came to was Concord Musical Supplies. They are not cheap. https://www.concordmusic.com/c.....collection