“Shakin’ the blues away" is a 1927 popular song by Irving Berlin. It was first introduced in The Ziegfeld follies of 1927by Ruth Etting.

refrence(s): https://discography.bloggingtonybennett.com/song/shakin-the-blues-away/#:~:text=About%20Shaking%20The%20Blues%20Away,first%20appearance%20in%20the%20Follies.