Marc Bolan stayed at the Hôtel Montana on a Left Bank Paris trip around 1964, per Riggs O'Hara in Record Collector (1997).

“It was a long weekend…We stayed on the Left Bank on the Rue St. Bernard at the Hotel Montana. It's one of those things that you do for someone who has that kind of brain, and you say 'You gotta see this, I wanna be the one to show this to you.' At that time I was probably showing off that I'd been to Paris, that I knew it…”