Could someone translate this poster for me? I've had a few friends take a look and they had very differing opinions.
the picture is part of a bigger poster of 狗神樂隊 (a rock &amp; roll band) in shanghai, their web site is here:

https://goushen.bandcamp.com/album/-

the three big black character is "不易滚". two small red characters in the "seal" is "狗" (dog) and an inverted "神" (god).

滚 (u+6eda) is a variant character of 滾 (u+6efe)

rock &amp; roll in chinese is 搖滾樂.

need more elaboration?