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).
“A much greater source of anxiety to Us is the style of action of those who maintain that liturgical worship should shed its sacred character, who foolishly say we should substitute for sacred items & furnishings ordinary common things in daily use.” —Pope Saint Paul VI (14 Oct 1968)