“Write to Your Mother Boys” is a sheet music song composed by George Graff Jr. with words by Hallie Anderson. The song was written during World War I and was intended to encourage soldiers to stay in touch with their mothers and families back home. The lyrics urge soldiers to take the time to write letters, reminding them of the love and support they have from their mothers. The song has a sentimental tone and is written in a traditional march style, popular during that time period.