Singer Duyên Quỳnh and composer Nguyễn Văn Chung have released the music video Dưới cờ Tổ quốc anh về to accompany Ho Chi Minh City's 500-day campaign to recover fallen soldiers' remains. Tuổi Trẻ reported on 11 October that a performance is planned at Lê Thị Riêng Cultural Park on 13 October. Quỳnh's team says her participation remains dependent on recovery from a health problem.