The Science Behind Personalized Playlists in Music Therapy We all have that one song that instantly changes our mood. Maybe it’s the track that gets you out of bed on a sluggish morning, or the playlist that helps you decompress after a stressful day. But have you ever wondered why music has that effect — and whether there’s a smarter, more intentional way to use it? As a music therapist, I work with this question every day. And the research is clear: not just any music will