Not my rip.
https://mega.co.nz/#!7dRy2CIa!Fir0gw_hyAQ44tgVJzsGRnNxoGQyX7AVEUW-41HIO18
Also, I found a full gamerip for SM4 with DLC songs so here it is as well.
Samurai Warriors 4 – OST (http://www.mediafire.com/download/9sr49cpvfutgto9/Samurai+Warriors+4+-+OST.rar)
Even if not, totally snagging.
http://www.mediafire.com/file/2wwcujb65xdwlq7/senshiman.zip
I do not own these files, i simply share what i’ve found. I got it from here :
http://s13.zetaboards.com/koeiwarriors/topic/7176904/2/
All credits belonged to the original uploader.
Hope this helps people out there who have been looking for these. 🙂