08/10/31 21:52:13 9DTweGTp0
%1 = input filename
%2 = output filename
%3 = bit rate in bits/sec
%4 = bit rate in Kbits/sec
%a = Artist name
%b = Album name
%t = Track name
%g = Genre string
%y = Year
%tn = Track Number (with leading zero)
%tt = Total number of tracks (with leading zero)
%aa= Album artist (1.70β3 ひっそり版のみ)