Glitches That Still Work as JPGs Sometimes But Not All The Time (challenge of the glitch)

Playing with an orchestra - Wendy's music reproduced the music of an orchestra - by 1 person. Colours came out well. Like where most of image has been obliterated except for some colour and a hint of some characters. Method is so temperamental and randomised. Depending on how and where these are viewed sometimes they work, sometimes they don't