Text-based music logs containing hundreds of tracks, often formatted as ".txt" files, serve as essential personal archives that ensure data ownership and platform independence, allowing users to preserve their listening history outside of Spotify's algorithms. These curated lists, which can be managed using third-party tools to audit libraries or move between services, help users retain control over their personal "snapshots" of musical preference. For more insights, visit the Spotify Community Forum community.spotify.com/t5/Your-Library/bd-p/yourlibrary/page/230. Your Library - The Spotify Community