Looking For Way To Speed Up mp3Tag's Disk Reading

He is absolutely right

You can read this Speeding up the loading process - its talks about slightly outdated hardware but the principals stand

But even if you would switch to M.2 NVMe instead of SSD [which even this previous disk technology is pricey when going above 2 TB], you can also alleviate your initial [i.e. after booting up of the operating system] loading time with solution from this topic

And if you like it but it is too complicated for you to implement, then you can vow your opinions it this topic

and / or you can take a look at the issue of re-opening of Mp3tag thus of re-loading of files