Add track number to mp3 id3 during resampling?

[lovgren]

I know the way to resample mp3's is
lame -b %b --tt %t --ta %a --tl %l -S --resample 44.1 - -
but how do I add also the track number to the id3?
The lame option is --tn, how do I get the info from the database?
(% something I guess ...)