The iconography when related to indie rock would be symbolised by the dark colour and the dark lighting of the music videos. when looking at the iconography for indie rock you need to look at the iconic moments of the music videos that catch the audiences attention. when looking at alternative rock the items that you would look at would be the more edgy feel to the video which can be enhanced by the setting and lighting of the video. You need to relate the video to the target audience and to do this you should use the iconography as you want to make sure that the band upholds its fan base as this is what will promote the success of the band.