"Source: Freebase - The World's database". . . . . . . . . . . . . . . . . "1998". . . . . . "Machine Head / Who Do We Think We Are"@en. _:YxCbWzih1149. _:YxCbWzih1150. _:YxCbWzih1149 . _:YxCbWzih1149 "RELEASE233772". _:YxCbWzih1150 . _:YxCbWzih1150 "machine_head_who_do_we_think_we_are".