Bing Crosby had many hit songs but one of which was the song "Only Forever". If you are looking for how many hit songs he had during the 1940's I really have no clue but I would look around.
After watching the Sunday morning show today 7/6/08 - I also wanted to know if there was a relationship to Bing..... I Googled it and found there is no relation to Bing Crosby.
Following is a blurb...