Jun Senoue on Sonic Generations Original Soundtrack:

White Space

When I heard the concept of White Space, where the miniatures of various stages lined up, I thought it seems to be an interesting space. It is also a place, where we can stay for a long time, so I considered to include the enjoyable elements musically, too. Something that I thought of in the beginning was the one in which the melody rapidly changes in terms of the same rhythm with the pattern opposite to those done in the modern stages of Green Hill, Sky Sanctuary, and others. In the end, there are times when the variation is not included and I gave that up, but I am also sometimes a dedicated programmer support, and smoothly renewing the same tempo as well as the phrase of same length became the specification implemented finally. I wonder if one should think that it’s a world where all the stage music is progressing in the same way no matter he or she moves in which timing.