WHO can become a hero? You can find the answer in the song Immortals. The US band Fall Out Boy wrote it for the movie Big Hero 6 and released it on Oct 14, 2014. With a lively rhythm (节奏) and encouraging lyrics (歌词), the song topped the US Bubbling Under Hot 100 one month later. They tell us that anyone can become a hero only if they work hard and help others.