Water colour + pen and ink.

The illustration concept comes from the nature of this product. It is a CD which compiles the acoustic sounds of different musicians in Hong Kong (including Chet Lam, Pong Nam, Ivana Wong, The Pancakes), it is like one building holding different people of different styles together.

Which flat belongs to which musician? You can find the answers from the "mail boxes", which can be found in the inlay.