diff --git a/ythdd_extractor.py b/ythdd_extractor.py
index 2508a42..10184f9 100644
--- a/ythdd_extractor.py
+++ b/ythdd_extractor.py
@@ -543,7 +543,7 @@ def WEBextractPlaylist(plid: str = "", ctoken: str = ""):
 	metadata = None
 	if not ctoken:
 		metadata = {
-			"header": safeTraverse(resp_json, ["header"]),
+			"microformat": safeTraverse(resp_json, ["microformat"]),
 			"sidebar": safeTraverse(resp_json, ["sidebar"])
 		}
 
diff --git a/ythdd_inv_tl.py b/ythdd_inv_tl.py
index 6c10ccc..21e45ab 100644
--- a/ythdd_inv_tl.py
+++ b/ythdd_inv_tl.py
@@ -938,7 +938,14 @@ def playlists(data, req, only_json: bool = False):
 	author            = safeTraverse(secondary_sidebar, ["videoOwner", "videoOwnerRenderer", "title", "runs", 0, "text"], default="Unknown channel")
 	author_ucid       = safeTraverse(secondary_sidebar, ["videoOwner", "videoOwnerRenderer", "title", "runs", 0, "navigationEndpoint", "browseEndpoint", "browseId"], default="UNKNOWNCHANNELID")
 	author_avatars    = ythdd_extractor.generateChannelAvatarsFromUrl(safeTraverse(secondary_sidebar, ["videoOwner", "videoOwnerRenderer", "thumbnail", "thumbnails", 0, "url"], default=DEFAULT_AVATAR))
-	description       = safeTraverse(meta, ["header", "pageHeaderRenderer", "content", "pageHeaderViewModel", "description", "descriptionPreviewViewModel", "description", "content"], default="(ythdd: failed to retrieve description, perhaps it's empty?)")
+	description       = safeTraverse(meta, ["microformat", "microformatDataRenderer", "description"], default="(ythdd: failed to retrieve description, perhaps it's empty?)")
+	if author_ucid == "UNKNOWNCHANNELID" and author == "Unknown channel":
+		# most likely a collaborative playlist
+		author        = safeTraverse(secondary_sidebar, ["videoOwner", "videoOwnerRenderer", "title", "simpleText"], default="by Unknown user and others").removeprefix("by ")
+		author_orig   = author[:author.rfind(" and ")]
+		description  += f"\n(ythdd: This is a collaborative playlist by \"{author_orig}\" {author.removeprefix(author_orig + ' ')}. You can't view the authors' channels.)"
+		author        = author_orig
+
 	description_html  = html.escape(description).replace("\r\n", "<br>").replace("\n", "<br>")
 	video_count       = ythdd_struct_parser.parseViewsFromViewText(ythdd_struct_parser.extractTextFromSimpleOrRuns(safeTraverse(primary_sidebar, ["stats", 0]), default="No videos"))
 	view_count        = ythdd_struct_parser.parseViewsFromViewText(ythdd_struct_parser.extractTextFromSimpleOrRuns(safeTraverse(primary_sidebar, ["stats", 1]), default="No views"))