Combining tags to display as one, by aliasing?

[simoncn]

(03-06-2015 10:24)n3mmr Wrote:  I tried adding a second Title to my A Sussex Overture, containing a link to http://www.allmusic.com/composition/mc0002355052
And this shows up in BubbleUPNP's Show Metadata (tap on album artwork in my case, in some menu, no doubt)

I would expect the second TITLE tag value to be concatenated as part of the track title. This is what hapens when I add a second TITLE tag.