Alfred's Premier Piano Course, Technique 4By Dennis Alexander, Gayle Kowalchyk, E. L. Lancaster, Victoria McArthur, and Martha Mier. Technique 4 continues and expands on the technical and artistic tools learned in Technique books 1A 3. The five new Technique Tools introduced are: staccato against legato, playing in and out of black keys, speed links, open the hand, and rock the Alberti bass. Artistic Etudes showcase a student's technique in an expressive musical setting, and Hands Together