The keys are arranged in such a way that when pressed, the reeds produce different tones depending on the duration of pressing. Once familiarized with this setup, you can begin practicing scales and chords. From classical pieces like Bach's 'The Well-Tempered Clavier' to contemporary folk tunes such as 'The Water Is Wide', there are plenty of great options out there for all sorts of skill levels - so explore away!By following these tips, you should eventually be able squeeze out beautiful melodies on your beloved accordion.