Question: Who is the spouse of the performer of song Infinite Kiss?
Sentence (from "Sandra (singer)"): Sandra Ann Lauer, commonly known under her stage name Sandra , is a German pop singer who enjoyed a mainstream popularity in the 1980s and early 1990s with a string of European hit singles, produced by her then-husband and musical partner, Michael Cretu, most notably "(I'll Never Be)
Relevant evidence: Yes