Have you considered using Plex as your music server? I’ve had a great experience with it.
Hah, could hear his voice while reading
Myanonamouse is quite good, the registration is easy and there is allot of content. Unfortunately a lot of it is 64Kb/s and/or 22.1KHz or lower which imo is distractingly bad while listening, but there is still a good selection of higher quality books. 8/10 would mouse again.
Use MKVToolNix for losslessly editing MKV files