Which hardcore punk band added pop-styled melodic focus and conventional song structure to their [hardcore punk] sound? in doing so, they contributed to the development of the 80's alternative/indie sound?

so, not gonna do the actual thing because that's just laziness for an easy assignment like this.

but someone that has a lot of information and interesting details about is picasso. you can easily write a 500 word essay about him and how overtime his paintings of himself got more and more deformed representing that he was forgetting what he looked like and that was from memory.