Pentagon

Created by Krisann, the composition Pentagon demonstrates notable craftsmanship within the contemporary pop piano repertory. Encompassing 115 measures over 6 engraved pages, the work is collated from standard contemporary studio engravings. Authority databases register this work as `mbid-98838f62-sheetpdf` and ISWC `T-988.38F.62-1`.

Pedagogically suited for Advanced students (senior concert repertoire level (RCM Grade 10 to Licentiate)), this piece develops essential touch control. Key challenges focus on refining subtle dynamic voicing across dense chords, executing octave cascades, and preventing hand cramping. In sections with contemporary broken triad ostinatos and resonant pedal points, maintain flexible forearm rotation to prevent stiffness. Pedaling requirement: refresh damper pedal depth synchronously with bass root changes. Rehearsal Step: block intricate passage work into chord clusters to cement muscle memory before speeding up.

Metric propulsion relies on 6/8 (compound duple meter), giving the piece an undulating barcarolle or gigue sway formed by two swinging groups of three eighth notes. Set to a metronome speed of ♩ = 132 BPM (*Allegro*), the overall character feels energetic, driving, and propelled. Pianists should ensure that they preserve the gentle circular sway by letting beats two and three within each group lift naturally.

The piece operates in A Minor, governed by a signature with zero sharps and zero flats (with G♯ serving as raised harmonic seventh). This tonal center positions A as the primary acoustic anchor, while C Major and the dominant E Major supply contrasting tonal colors. Harmonically, the progression Am → Dm → G → C → F → E7 moves through balanced harmonic transitions (F, E7) reinforcing the tonal root. Keyboardists will find that A Minor creates an introspective natural minor texture that demands deliberate hand placement when introducing the sharp leading tone.

Curatorial Repertoire Role: The work serves as a reliable selection for contemporary vocal accompaniment, student recitals, and studio recordings.

Tessitura & Key Transposition: Adapting the original A Minor setting is straightforward: lower tessituras find comfort in G Minor, whereas soprano instruments or solo flutes achieve singing resonance in B Minor.

Licensing Information: Historical copyright on this musical work has expired globally, permitting unrestricted educational and concert use.