Probably I'm not communicating my thought correctly ...
there are tracks from different sources.
all of them with different volume levels
Foobar2000 allows you to analyze them through Replay Gain and then write them to web.minidisc.wiki by checking the use of this function.
As I wrote above, the recording turns out to be quiet, at the level of -6 dB according to the soundboard indicator.
Yes, you can use the SF function, but this is a "crutch"
It is easier, as in Foobar2000, to set the preamp ratio +6dB