Level 1, Technique and Artistry, Pg. 8
The difference between legato and staccato is not just a matter of technique. Playing each touch also involves listening. Quick changes between staccato and legato and phrases in which the touches vary prepare the hand and the ear to respond in different settings. A change of tempo keeps the fingers closer to the keys. Improvising with each touch is fun, and it also demonstrates that staccato and legato create moods. It’s easy to see that Vivian reacts to what she plays!