“My daughter passed away in 2022 at the age of 23. I never got to see the cherry blossoms with her. Hearing this song makes me cry because I miss her so much and want to see her again.” The comment was posted on the music video for sibling duo AKMU’s latest release, “Joy, Sorrow, A Beautiful Heart,” the title track from its fourth album, “Flowering.” It was one of many in which listeners shared their grief while also thanking the song for offering comfort. For many of them, the song has become a source of healing. AKMU unveiled the music video for “Joy, Sorrow, A Beautiful Heart” on YouTube on Tuesday. More than 5,300 comments have since been posted, many of them from listeners sharing their grief, personal struggles and the comfort the song brought them. “I’m about to begin treatment, and God knows how painful it will be this time,” one user wrote, identifying himself as a blood cancer patient in his 30s. “I was browsing YouTube to calm myself down when I accidentally came across this song. As I listen to it, my eyes fill with tears.” Some shared the sorrow of