The product is vintage sheet music from World War I, specifically from the year 1917. The song on the sheet music fall under the genre of Musicals. The lyrics of the songs featured in this collection likely reflect the sentiments and themes of the time, such as patriotism, love, and loss. This antique sheet music provides a glimpse into the music and culture of that era, making it a valuable collectible for music enthusiasts and history buffs alike.