Singalong/ˈsɪŋəlɔːŋ/ Definition 1 of 2Pro Tip 1/3Social Gathering Singalongs are often informal social events focused on interaction and entertainment. The neighborhood singalong fostered a sense of community. Pro Tip 2/3Holiday Occasions Singalongs are popular during festive seasons to enhance the celebratory mood. Everyone enjoyed the New Year's Eve singalong. Pro Tip 3/3Audience Participation Singalongs expect all participants to join in the singing, not just listen. The campfire became lively when the singalong started.