http://heathenmedia.co.uk/sledgehammer/2011/10/20/genre-%E2%80%93-codes-and-conventions/
Indie/ Alternative rock
http://www.slideshare.net/lindax9/indie-genre-conventions-28038996
http://en.wikipedia.org/wiki/Jamie_T
'Throughout much of its history, alternative rock has been largely defined by its rejection of the commercialism of mainstream culture, although this could be contested ever since some of the major alternative artists have achieved mainstream success or co-opted with the major labels from the 1990s onwards (especially since the new millennium and beyond).'-http://en.wikipedia.org/wiki/Alternative_rock
http://heathenmedia.co.uk/sledgehammer/2011/10/20/genre-%E2%80%93-codes-and-conventions/
Hiphop
http://en.wikipedia.org/wiki/Chris_Brown
http://www.dailymail.co.uk/tvshowbiz/article-2805782/Chris-Brown-looks-glum-court-hearing-despite-getting-good-review-judge-ups-community-labor-four-days-week.html
http://www.slideshare.net/Flora1993/conventions-of-rb
pop music
http://www.slideshare.net/zahraaliyah64/conventions-of-pop-music
rockstars
The era of stars treating hotels as a combination of drug den, brothel and racecourse (Led Zeppelin's John Bonham once rode a motorbike down the corridor of Los Angeles's notorious Continental Hyatt House – one of the more printable Zep hotel stories) http://www.theguardian.com/music/2010/jun/03/rock-stars-hotels-caroline-sullivan
http://uk.complex.com/pop-culture/2014/02/the-craziest-things-that-happended-at-chateau-marmont/led-zeppelins-john-bonham-drove-a-motorcycle-throu
http://nypost.com/2012/12/09/stairway-to-hell-4/