Answer:
I come in different colors and shapes. Some parts of me are curvy, some are straight. I look like I can belong anywhere but there is only one right place for me. What am I?
I am heavy forward but backward I'm not.
I am a rock group with four members. All dead one was assassinated.
I come without being fetched at night, hide away as soon as daylight strikes. Although I may look small, I am much mightier than what you can imagine. What am I?
I can be short and sometimes hot. When displayed I'm never cold. What am I?
I'm the source of all emotion but I'm caged in a white prison.