Import music from a supplied public HTTPS recording/video page, direct audio/video/notation file, Dropbox link or Google Drive share link. Supported social/music pages include YouTube, Bilibili, TikTok, Vimeo and SoundCloud. Protected subscription streams, playlists and live streams are rejected. Files are limited to 100 MiB; page audio retrieval is bounded to 5.5 minutes and processing to account limits. provider: local, piano or mirelo. bpm/pro_options represent supplied processing choices; view selects notation. Pro holds instrumentation and price consent. replay_only refuses a missing exact replay. Returns one job ID and current status; queued is not completion.