[the_other_guy]

the only thing i can see that is out of date is 
 <import addon="xbmc.python" version="
update this to <import addon="xbmc.python" version="2.25.0"/>

import xbmc
URL = 'http://cloudrad.io/sonicstream/listen.pls'

def Play():
    pl = xbmc.PlayList(xbmc.PLAYLIST_MUSIC)
    pl.clear()    
    pl.add(URL)
    xbmc.Player().play(pl)

Play()


URL = 'http://cloudrad.io/sonicstream/listen.pls'
[playlist]
numberofentries=1
File1=http://144.217.233.86:80/
Length1=-1
version=2

http://144.217.233.86Current Stream InformationServer Status:Server is currently up and public.Stream Status:Stream is up at 128 kbps with 0 of 50 listeners (0 unique)Listener Peak:10Average Listen Time:15m 01sStream Title:Cutting Edge MusicContent Type:audio/mpegStream Genre:ElectronicaStream URL:www.sonicstreamradio.netStream ICQ: Stream AIM: Stream IRC: Current Song:Sonic Stream Radio - Frenchie @ The VIP Lounge... Reloaded