Glenn Miller - In The Mood "In the Mood" is a song popularized by the American bandleader Glenn Miller in 1939, and one of the best-known arrangements of the big band era. Miller's rendition topped the charts one year later and was featured in the 1941 movie Sun Valley Serenade.
"In the old days, if someone had a secret they didn't want to share... you know what they did?... They went up a mountain, found a tree, carved a hole in it, and whispered the secret into the hole. Then they covered it with mud. And leave the secret there forever." In the Mood for Love.