Just for fun I have been searching iTunes for Disney songs from the 40's and have compiled it as an iTunes Mix.
It starts out with some OST stuff and then some cover versions and songs from the compilation features.
Includes The Andrew Sisters, Bing Crosby, Benny Goodman, Roy Rogers, Louis...
While we wait for something new to show up on iTunes, Disney has recently released some new MP3 albums on Amazon- many of them exclusive to their site:
Homeward Bound 2 OST
Mulan II OST
House of Mouse OST
Home on the Range OST
Pocahontas II: Journey to a...