Tag Map
Introduction
Tag Map list each tag key for all standard tags of all Tag Format(ID3V2,XIPH Comment,APE, etc), Like Title,Artist,Album Cover and so on. You can find it in Tag Map tab in Preferences:
Tips
Press "Enter" or click to edit the standard tag key, You do not have to do this generally, But in some case, For example: iTunes take GRP1 as key of Grouping, But some other software may take TIT1 for Grouping tag.