A collaboration between one Cecil Stokes (1910-1956) and Bing Crosby (natch) sometime in the ‘40s, an Auroratone film was apparently meant to be used in the treatment of mental disorders. As one does. The colors and crystal patterns are indeed quite lovely and Der Bingle and his organ are dreamy (or something).
More about Auroratone films here
With thanks to Devin Sarno