This file often contains a list of 50 sets of account credentials (usernames/emails and passwords) for Spotify Family accounts.
These files are rarely from a direct Spotify breach. Instead, they are typically compiled through credential stuffing . Attackers take passwords leaked from other websites and use automated scripts to see if they work on Spotify. 50x Spotify Family - Stranded.txt
Strangers may join your family plan, often visible in your Family Settings . This file often contains a list of 50