Band logo

I know bands don't HAVE to have logos and many don't but i think that a band logo can enhance the identity of the band. It means that merchandise will be easier as well. However, i am aware that we are a small band but a recognisable logo would still help with our band image.
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A few distinguised band logos --> very recognisable

Foo Fighters

Disturbed


Nirvana

30 Seconds to mars