Underground or Mainstream music?

[PutraenusAlivius]

Hey guys. I have a poll here. Underground/Mainstream music? Just post your own opinions on this and why you like it.

For me it's underground music, especially Punk (Punk Rock) and Rock (Alternative Rock).

Punk have a meaning in their lyrics that link to Socio-political meanings, not mindless ones. Alt Rock is a spin-off* from Punk. Although Alt Rock doesn't have a meaning, it's still pretty nice.

So, tell me your opinions. But please follow these rules.

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RULES
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1. You may not bash at people's choices. Everyone is have their own opinions. ===RULESUSPENDED===
2. You may not push down your choice of song to someone's throat. We all have different choices. We don't need JB songs shoved down our throat you know.
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Go ahead and post!

EDIT:
*Unsure if spin-off or what

I just added that.

NOTE: THIS DISCUSSES THE GENRE THAT GOES IN EITHER MAINSTREAM/UNDERGROUND/OTHER (like Punk is in Underground), NOT POPULARITY AND OR SUCH.