Onomatopoeia: ( I suggest if you can, choose another song, onomatopoeia is normally characterized by sounds of things for example if he said Grenades go BOOM that would be onomatopoeia)
Similie: same thing, look for song that use comparative language such as like or as in their metaphors because that's what really makes a simile
The three friends used to be 'bad boys'. They believed that they could do many things. After seeing the presentation, they believed that they could accomplish really anything.