I'm not exactly sure as charts were not invented in 1950.
Best (educated) guess is Doris Day or Nat King Cole, and they are still in my favourites list today.
Me neither, but mine was there !
More music from better kit Played last : Underworld -King Crimson -Beach Boys -Hybrid -Jazzanova -Rod Stewart -Dave Seaman -Geoffrey Richardson -Eric Burdon -Max Richter -James Lavelle -Boards of Canada -Jonny Lang -Gerry Rafferty -Level 42 -Voice of the Seven Woods -Manassas -The Rides -Bonnie Raitt -Mogwai -Viktor Krauss -Bajofondo -Bent -Chris Rea -Rick Springfield TAD/Technics/Coherent