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Co-authored-by: Samantaz Fox <coding@samantaz.fr>

src/invidious/videos.cr

@@ -249,7 +249,12 @@ struct Video
 
   def music : Array(VideoMusic)
     info["music"].as_a.map { |music_json|
-      VideoMusic.new(music_json["song"].as_s, music_json["album"].as_s, music_json["artist"].as_s, music_json["license"].as_s)
+      VideoMusic.new(
+        music_json["song"].as_s,
+        music_json["album"].as_s,
+        music_json["artist"].as_s,
+        music_json["license"].as_s
+      )
     }
   end
 

src/invidious/videos/parser.cr

@@ -325,12 +325,10 @@ def parse_video_info(video_id : String, player_response : Hash(String, JSON::Any
     album = nil
     music_license = nil
 
-    # used when multiple songs
-    song = music_desc.dig?("carouselLockupRenderer", "videoLockup", "compactVideoRenderer", "title", "simpleText")
-
-    # used when multiple songs and the song has a link
-    if !song
-      song = music_desc.dig("carouselLockupRenderer", "videoLockup", "compactVideoRenderer", "title", "runs", 0, "text")
+    # Used when the video has multiple songs
+    if song_title = music_desc.dig?("carouselLockupRenderer", "videoLockup", "compactVideoRenderer", "title")
+      # "simpleText" for plain text / "runs" when song has a link
+      song = song_title["simpleText"]? || song_title.dig("runs", 0, "text")
     end
 
     music_desc.dig?("carouselLockupRenderer", "infoRows").try &.as_a.each do |desc|