There are not that much of online radios available for their listeners that are playing live musical shows for their listeners. There are some that occasionally plays live musical programs but very few of them actually is full time live music based radio like MDR Sputnik Soundcheck Channel.
MDR Sputnik Soundcheck Channel official website address is /www.sputnik.de
1 Live Fm
100 Top Schlager
54 Haus FM