You can search for specific songs anywhere in app by tapping on the search field.
Write a song name, artist name or style of music (rock, pop, blues, country and classical) you want to find and hit enter/tap done. This will give you a list of results that match your initial search criteria. If you'd like to add filters to your search, simply tap/click on Filters in the top right hand corner.
You can then add filters by dragging the circles to filter songs by level. You can also filter by minimum rating, song type and the type of backing track used. Once you've added the filters you would like to use, hit done to refresh the search.
Clicking the back arrow will reset the search and you can change the search filters by clicking/tapping on the Filters options.