Customized sorting

Hi;
I know Subsonic uses track numbers to sort songs, however i noticed that multi-disc releases tend to be displayed in a wrong way. for example:
cd1tr1
cd2tr1
cd1tr2
cd2tr2
...
So my question is - would it be possible to introduce customized sorting, like by filename?
Thanks
I know Subsonic uses track numbers to sort songs, however i noticed that multi-disc releases tend to be displayed in a wrong way. for example:
cd1tr1
cd2tr1
cd1tr2
cd2tr2
...
So my question is - would it be possible to introduce customized sorting, like by filename?
Thanks