The correct Album title (e.g., Queen - Greatest Hits I & II ).
Folder structure
Use free tools like Mp3tag to ensure every song has the correct artist, album, year, and track number. This prevents your portable player from scattering a single album across multiple folders.
Many users find to be faster and more modern, while MediaMonkey excels at organizing truly massive libraries and handling complex tasks.
Once you have your files, use these tools to ensure they play correctly on portable MP3 players or smartphones: