I focused on 神聖かまってちゃん(shinsei kamattechan) which is a japanese indie rock band and consists of four members which are Noko, Chibagin, Mono, and Misako.
The reason why I chose 神聖かまってちゃんis because the way they use social media is SO different from others.
I thought that most of bands either popular or indie use managers or companies to promote themselves which means bands are not basically promoting themselves but companies.
BUT in the case of 神聖かまってちゃん, the vocal of the group, NOKO, promotes his band himself by going on 2channel and Niko Niko douga and posting the link to his music videos to get attention by viewers.
Since his lyrics mean something relates to "a loser who have failed to make a connection with people"(which means himself) and music sound is random, the name "shinsei kamattechan" became widely known.
Not only the lyrics and music sound but also his performance on the stage should be paid attention.
His face sometimes gets covered by blood from his head.
His eyes are opened so much.
He sometimes takes his pants off.
and so on..
Since I cannot upload a photo of 神聖かまってちゃん、 I decided to draw a picture of Noko.
I hope you will get some sense of the band.