I've been converting the MC and TFM show reddifs from MP3 to 96kbps Ogg vorbis to reduce the file size on my phone and decided to create a whole music repository that is all just Ogg files.
My music folder is 130gb in size and the Ogg only folder is a whopping 51.4gb and sounds just as good!
I recommend the following command on terminal to convert your music if saving space on your phone or media player is a big deal:
ffmpeg -n -stats -i file.mp3 -vn -codec:a libvorbis -qscale:a 2 file.ogg