With this dialog, you can search for the records that apply to "all" criterias, to at least one ("any") or none of the criterias added by choosing in the first combo-box.
You can add a new criteria by clicking the button "add" or you can delete them by clicking "del".
On each criteria you must select an field, then an operator from the combobox and the value you need.
For example if you want to search all of Sting's songs you can do the following:
You may put a limit to the number of songs, duration or the size of them by checking the box "Limit to" and set the limit.
After clicking on "OK" button, a playlist with the name "Find Results" will be created with the found MP3.
NOTE: If already exists a playlist with this name, it will be overwritten.
You can also use the filter bar and customize it to follow your needs.