You can either rename artist in the tree (right-click and Properties) or select a range of songs, again show properties dialog and change artist name there.

Jiri

New to this, what looks like a fine program.
The biggest problem I have noticed in mp3s is the bad spelling of the artists names. This results in many folders of what really are the same group or artist.
I need to figure out how to rename the artist and get all the songs together.
Couldn't find the answer, so, please, if you know how??