I am sorry I bothered you. I could find the solution by myself.
Reading all around conf, docs and wiki and here it is:
1) In the Rivendell setup folder, there are config files in conf/ ...
just copy the one you need in a specific folder you like.
2) Edit this file to fit your needs.
3) "Now & Next
Hi everybody,
I was trying to store artist/title information in a simple txt file
(which will be raed by other softwares) using "Now & Next Param" in
RDAirPlay host-settings.
I read in the Wiki that can be done using a RN command, and it does! I
put in RML "RN echo %a - %t > /some/file.txt ... I ch
