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"Who Is It"
Date range confirmed in Mike Smallcombe’s “Making Michael” (“In the summer of 1990, Michael finally decided to shelve the Decade project in favour of an album of new material, due to an avalanche of song ideas… [which included] on ‘Black or White’, ‘Earth Song’, ‘Who Is It’ and ‘Monkey Business’... [and] ‘Give In to Me’.”
“Who Is It” (From the “Dangerous” album):
“Who Is It (Patience Mix / The Most Patient Mix)” (From the CD single):
https://ok.ru/video/4482467307 (Contains additional vocals)