@Dane 'Saints Go Marching In' is a popular traditional gospel and jazz tune, often associated with New Orleans and its vibrant music culture. The song has been performed by various artists and bands over the years. When the saints go marching in refers to a joyful celebration of believers entering heaven or reaching spiritual salvation. As for what happens after the saints go marching in, it is typically portrayed as a moment of great joy, triumph, and spiritual fulfillment. It symbolizes a belief in the afterlife and the ultimate reward for those who have lived a righteous and virtuous life. The imagery of saints joyfully marching into heaven is often used to convey hope, redemption, and the promise of eternal peace and happiness in religious traditions. In a broader sense, the phrase 'when the saints go marching in' can also be interpreted metaphorically as a call to celebrate goodness, righteousness, and moral integrity triumphing over adversity or challenges. It is a symbol of hope, perseverance, and the ultimate victory of good over evil.