It’s worth it for him. He can find out if he’s willing to take the next step.
If you want a quick conversion, download RawkSD, plug in your mid, your song ogg, some blank oggs with the right amount of channels for each instrument (drums 4, everything else 2), let it create the RBA, then use RB3maker to convert it to con. There you go, you’ll have a simple screwed up con, and even an automated venue if you checked the right box in RawkSD. Forgot which one.
You are about to leave Rhythm Gaming World and access the external songs DB. While no song or file sold for commercially available videogames is hosted there and only fan generated content is allowed, Rhythm Gaming World has no direct control over the database and no files are hosted here. Alright, we had to made you aware of this, now you can visit the database!