Beginning pppp, with rapid, highly chromatic scale passages (sometimes divided between the hands) and fragments of motifs tossed around.
Picado: Single-line scale passages performed apoyando but with more attack and articulation.
Her scale passages, runs, roulades and trills are cleanly and precisely articulated.
The tune drops an octave, with virtuoso scale passages on top and charming harmonic turns to the minor.
Each one concentrates on a technical problem: fast scale passages, arpeggios, wide leaps, chords or, for string players, different ways of bowing.
None of these keyboard layouts is structured to facilitate playing scale passages of notes.
Winds and violins race in scale passages.
One of the tenets of right hand technique in scale passages is alternation.
The technical demands on the soloist are formidable, with generous use of multiple stopping, broken chords, rapid scale passages, and rhythmic variation.
However, there is little "second subject" to speak of - following the key change in the first half, the music is mainly based on simple scale passages.