The song "Intro" by BEAST is a heartfelt message to their fans, expressing gratitude for their support and explaining the impact that music has had on their lives. The lyrics reflect on the struggles and challenges they have faced, with the music being their only solace and source of strength. The members acknowledge that not everyone may appreciate or understand their music, but they hope that listeners can enjoy it without prejudice. The song also expresses their desire to connect with their fans on a deeper level, offering comfort and understanding to those who may be going through tough times. Overall, "Intro" serves as an introduction to BEAST's music and a testament to the power of music to heal and inspire.