Mozart, W.A. - Sonata No. 21, K. 304 (2 Violins and Viola)

Composed by Wolfgang Amadeus Mozart in Paris in 1778, this is his only violin sonata written in a minor key. It was composed around the time of his mother’s illness and subsequent death, which heavily influenced its remarkably dark, intimate, and melancholy character.

Written in two movements (Allegro and Tempo di Minuetto), it is an absolute masterpiece of emotional depth within a transparent Classical framework. When arranged for two violins and viola, it transforms from a keyboard-dominated piece into an intricate, conversational chamber work.

Short Pedagogical Info

• Expressive Character & Dynamic Contrast:

  • Unlike many of Mozart’s bright, galant works, this sonata demands a deep sense of pathos and dramatic tension.

  • Pedagogical focus: Excellent for teaching intermediate players how to use subtle dynamic shading, sudden changes from forte to piano, and emotional maturity to convey a somber mood without over-romanticizing the phrasing.

• Intonation in E Minor:

  • The choice of key introduces specific finger patterns, low extensions, and a reliance on dark, resonant open strings.

  • Pedagogical focus: Playing in E minor requires strict attention to half-step placement (especially the leading tone, $D♯$). The transparent trio texture leaves absolutely nowhere to hide, making it a fantastic exercise for tuning unisons and perfect intervals.

• Unison Playing & Bow Synchronization:

  • The dramatic opening theme is stated in absolute unison across the voices.

  • Pedagogical focus: Teaches ensemble members how to match bow speed, contact point, and articulation perfectly. Players must breathe together to execute the sweeping, dramatic gestures with a singular, unified group voice.