FYI this problem has been brought up many times in the last 6 years – more often regarding harmonic circles than trills, but it’s the same issue. See for example this thread from 2017, and Daniel’s brief explanation of the situation from last year.
FYI this problem has been brought up many times in the last 6 years – more often regarding harmonic circles than trills, but it’s the same issue. See for example this thread from 2017, and Daniel’s brief explanation of the situation from last year.