A Foggy Day or also known as A Foggy Day (In London Town), was written by George Gershwin. Lyrics were written by his brother Ira Gershwin with whom he frequently collaborated with. The piece was written for the 1937 film A Damsel In Distress which featured Fred Astaire. A Foggy Day is a 34-bar form which can be tricky, being only 2 bars off from a standard 32-bar form.