[Help] my music library using f2 nas

[servit00]

hello friends. please help for my question. i would like using nas for listen music from wiim amp. i don't know best way because i usually use spotify app and i am not able connect this app with tnas source. can be this? can anyone help me for this?
in second i ask you another app for listen my storage music from tnas in wiim amp without advertisement.
i hope my answer is clear
thanks