"Pack Up Your Troubles in Your Old Kit-Bag, and Smile, Smile, Smile" is the full name of a World War I marching song, published in 1915 in London. It was written by Welsh songwriter George Henry Powell under the pseudonym of "George Asaf", and set to music by his brother Felix Powell. The song is best remembered for its chorus.

Florrie Forde was an Australian-born British vaudevillian performer and popular singer, notable in music hall and pantomime. From 1897 she lived and worked in the United Kingdom, where she found her greatest success, as one of the most popular stars of the early 20th century as a music hall entertainer and recording artist.