Multi ID3 Tag Editor is an ID3 Tag editor, file renamer and mover for several files with just a simple mouse click.
Features:

Manual ID3 Tag v1&v2 editor ("ID3 Tags" tab):
load/save ID3 Tag v1 & v2
rename/Move the file
automatic completion for Artist and Title
automatic completion for Artist and Title only is -they are missing
remove ID3 Tag
Automatic editor for several files ("Multi Tagger" tab):
remove ID3 Tag automatic: (only) v1, (only) v2 and v1&v2
automatic completion for Title and Artist fields from ID3Tag, using the files names
string format for ID3 Tag fields: lowercase, uppercase, first letter uppercase, first letter of each word uppercase
2 separators support
ReadOnly attribute remover
variables support
Automatic rename of files names using the ID3 Tag fields ("Multi Rename Tool" tab):
ID3 Tag priority
move the renamed files into a single folder
protection for existing files
Automatic move of files into separate folders, created using the ID3 Tag fields ("Multi Move Tool" tab):
create folders using the Artist, Genre, Artist-Album or Album and move the files
create the folders only
ID3 Tag priority
MP3 player ("Mp3 Player and MPEG Info" tab):
a very friendly user interface and lovely buttons
previous, pause, play, stop, next function
song seeking bar
volume bar
shuffle and repeat
track title and time display
Advanced information about the type and encoder of the files
Large playlist:
add file(s)/folder
remove all/selection
select all/none/invert
sort
load/append/save list
Errors list ("Errors" tab)
Mixer and volume control selection
Thread and process priority selection with Pause/Resume support for every automatic function