.PLS files

Playlist files often have the extension .pls

It's the primary station stream link format of SHOUTcast.

The MIME type of these files is audio/x-scpls and they often look like:

[playlist] numberofentries=1 File1=http://123.45.67.189:8222 Title1=(#1 - 555/2000) radio station Xyz - top 100 - all the hitzez Length1=-1