Non Zero Sumness is the debut album released by Planet Funk.
It has been also released a limited edition version of the album called "Non Zero Sumness Plus One",
containing the Bonus Track "One Step Closer" sung by Jim Kerr,
which is a vocal version of the instrumental "Where is the Max".
Track 11 has a hidden track, entitled "Rosa Blu", which begins at the 7:05 marker.