The term 'BING CROSBY HIT OF 1944' is referring to the song 'AMOR' by Bing Crosby, which was released in 1944. The song was a major hit for Crosby and was one of the most popular songs of the year. It was written by Mexican songwriter Gabriel Ruiz and was translated into English by Sunny Skylar. The song was featured in the movie 'Going My Way' and was nominated for an Academy Award for Best Original Song.