. "Vocal Performances was a 12\" EP released by Pere Ubu frontman David Thomas in 1981. The EP was released on Rough Trade Records as Trade 5/12. As per its title, Vocal Performances features two (mostly) a cappella recordings from Thomas.The first track, \"Petrified\", argues that evolutionary thinking and Latin nomenclature have poorly captured the charm and dignity of dinosaurs such as the Haplocanthosaur, Pterosaur and Archaeopteryx."@en . . . . . "Vocal Performances"@en . . . .