Listen to internet radio without Flash on Mac and Linux CLI

NOTE: nice classical music option! https://github.com/klutometis/radio/blob/master/radio.sh

1. OS type
1. Mac
1. brew install mplayer
1. See this if you hit the bug: https://github.com/mxcl/homebrew/issues/23503
1. Linux (Debian-based)
1. apt-get install mplayer
2. play on CLI
1. mplayer <stream>
1. e.g. mplayer http://www.antenne.de/webradio/channels/das-schlager-karussell.m3u 

Or/else:

1. paste stream link into a browser directly
2. use VLC to play stream