This release includes:

1. VobSub subtitle files for Signs/Song For Dub - as well as a higher quality version of the full VobSub subtitle track - if you want to mux them yourself.

Alternatively if you are lazy,

2. Using the included xDelta3 patch will update your version of
   [Reaktor] Akira - 30th Anniversary [1080p][BD][x265][10-bit][Dual-Audio]
   to include the subtitle tracks provided in (1.) (overwriting the existing VobSub subtitle track from my original release with the improved one).

The xDelta3 patch is compatible with Windows, Mac, and Linux x86_64.
Read the Readme in the patch folder if you want to use it.