Group

The initial type of search you wish to begin with. There are many ways to begin your search. You may want to find a particular artist (Artist) or search music by a particular publisher (Publisher) or search for female vocals (Vocal Type). For example: you want to search for "happy" songs. Your "Group" choice would be "Mood". All the possible moods will list in "Criteria." You would click on "happy" to add it to "3. Searching based on". All the songs that feel happy will list in "Search Results".

Criteria

Criteria are defined as any words or elements used to search for music. Criteria are organized into groups or classes, such as Mood (an example of a Mood criteria might be 'happy'), Category (an example of a Category criteria might be 'crime scene'), Musical Styles (an example of a Musical Style criteria might be 'rock'), etc.

based on (searching)

Searching "based on" lists all the criteria a song must fulfill to be shown in a search. The criteria can be an unlimited amount of class items: Publisher, Artist, Mood, Category and so on. The more criteria added the more precise your search result.