Pope Saint Paul VI did not outlaw the TLM
This video shows a signatory of the famous “Agatha Christie Indult” talking about Glenn Gould (specifically his Bach interpretations).
Pope Saint Paul VI (3 April 1969): “Although the text of the Roman Gradual—at least that which concerns the singing—has not been changed, the Entrance antiphons and Communions antiphons have been revised for Masses without singing.”