It may be of interest that even in classical music there are occasional exceptions to the normal GDAE violin tuning. In Mahler’s 4th symphony the violin solo is

It may be of interest that even in classical music there are occasional exceptions to the normal GDAE violin tuning. In Mahler’s 4th symphony the violin solo is played on an instrument tuned to AEBF# which gives it a very distinct quality. https://www.violinist.com/blog/stormviolin/20173/21062/ https://www.violinist.com/blog/stormviolin/20173/21062/