Difficulty level, roughly compared to ABRSM exam grades. 0 is beginner, 9 is advanced (beyond grade 8).
'Improve Your Aural! is designed to take the fear out of aural. Through listening activities and practice exercises, this workbook and CD focus on all the elements of the Grade 4 aural test and because all aspects of musical training are of course, connected you'll also be singing, playing your instrument, writing music down, improvising and composing - as well as developing that vital ability to do well at the aural test in your grade exams.'
Fulfils all ABRSM exam requirements