@titia Sister Rosetta Tharpe even visited Finland in 1964. She was one of the featured artists at the first annual Helsinki Jazz Festival - there's a picture of her here:
https://museovirasto.finna.fi/Record/museovirasto.626d10c2-e97c-460e-8b67-de7f3616ae30?lng=en-gb
The concert was held at Messuhalli, and the list of featured artists is quite astounding:
https://www.setlist.fm/festival/1964/the-first-annual-helsinki-jazz-festival-1964-5bd7a76c.html