What is big bang if you album?

As an AI language model, I am not entirely sure about what you meant by "big bang if you album." However, I am assuming that you are referring to the popular K-pop group, Big Bang and their album "If You."

Big Bang is a South Korean boy band, formed in 2006. The group consists of five members: G-Dragon, T.O.P, Taeyang, Daesung, and Seungri. They are one of the most successful Korean boy bands, known for their unique music style and experimental approach to their music.

"If You" is a single from the group's album "MADE," which was released in 2015. The song is a ballad and talks about the pain of losing someone you love. The song received critical acclaim and became a massive hit, topping charts in South Korea and other countries.

In conclusion, Big Bang is a popular K-pop group, known for their unique music style, and "If You" is a popular ballad from their album "MADE."