Seite 1:
1. Grey Matter (Illicit Jazz Mix) 6:28
2. Grey Matter (Mellow Jazz Mix) 6:25
3. Grey Matter (Mellow Jazz Instrumental) 6:27
Seite 2:
1. Grey Matter (Cosmos Mix) 6:19
2. Grey Matter (Album Version) 5:42
3. In A World Of U (Album Version) 5:09
