Fall Out Boy Young Volcanoes: "We are like young volcanoes." This is a simile because it is using "like" to compare themselves to a volcano. It is also saying that they are emotionally unstable.
Fall Out Boy Pheonix: You are a brick tied to me that's dragging me down." This is a metaphor because he is comparing the person he is talking to too a brick. It means that he/she is preventing him from completing his mission.
V for Vendetta: “In view, a vaudevillian veteran cast vicariously as the victim and villain…” This is an alliteration because the man says the letter "v" consistently and in almost every word.
XCX Charlie Boom Clap "Boom Clap the sound of my heart." This is an onomatopoeia because she is using the word "boom" to refer to the sound that her heart makes. She is also saying that her heartbeat sound is very loud.