diff --git a/internal/radio/song.go b/internal/radio/song.go
index 28e3ee0..f9d90e3 100644
--- a/internal/radio/song.go
+++ b/internal/radio/song.go
@@ -24,13 +24,15 @@ func (s *Song) MarshalJSON() ([]byte, error) {
 	return json.Marshal(&struct {
 		Artist       string `json:"artist"`
 		Title        string `json:"title"`
-		Duration     int64  `json:"duration_milliseconds"`
+		DurationMill int64  `json:"duration_milliseconds"`
+		Duration     string `json:"duration"`
 		MaxListeners int    `json:"listeners"`
 		StartAt      string `json:"start_at"`
 	}{
 		Artist:       s.Artist,
 		Title:        s.Title,
-		Duration:     s.Duration.Milliseconds(),
+		DurationMill: s.Duration.Milliseconds(),
+		Duration:     time.UnixMilli(s.Duration.Milliseconds()).Format("04:05"),
 		MaxListeners: s.MaxListeners,
 		StartAt:      s.StartAt.UTC().Format(time.RFC3339)})
 }