iRubric: Instrumental Music Group Performance rubric

accuracy of note values, duration, pulse,
steadiness, meter, etc.
is consistently demonstrated. Tempo is appropriate to the style of the piece with smooth transitions.

accuracy of note values, duration, pulse,
steadiness, meter, etc.
is mostly demonstrated. Minor errors do not detract from the overall performance. Group is able to quickly recover.

accuracy of note values, duration, pulse,
steadiness, meter, etc.
is sometimes demonstrated. Errors detract from the overall performance.

accuracy of note values, duration, pulse,
steadiness, meter, etc is rarely demonstrated. Major breakdown in phasing causing the group to stop. Significant errors detract from the overall performance.

resonance, control, clarity,
focus, consistency, warmth, and support is consistently demonstrated by all members. Group plays with maturity, and an awareness of blend and balance.

Strings:
Excellent bow technique (placement, speed, weight, angle)

resonance, control, clarity,
focus, consistency, warmth, breathing and support is mostly demonstrated. Tone is mostly balanced. Any minor errors made are quickly adjusted and do not detract from the performance.

Strings:
Group demonstrates proper bow technique

resonance, control, clarity,
focus, warmth and support is sometimes demonstrated. Tone, blend and balance is developing.

Strings:
Bow technique is inconsistent but developing.

resonance, control, clarity,
focus, consistency, warmth, breathing and support is rarely demonstrated. Tone is weak and unsupported. Group is imbalanced.

Strings:
Improper bow technique (placement, speed, weight, angle)

Expressive elements, phrasing, dynamics, and stylistic interpretation
is consistently demonstrated. The group communicates effectively throughout the performance and demonstrates appropriate performance etiquette. (stage presence, posture)

Expressive elements, phrasing, dynamics, and stylistic interpretation is mostly demonstrated. Occasional breakdown in communication (cohesiveness) but members are able to make quick adjustments. Group demonstrates appropriate performance etiquette. (stage presence, posture)

Expressive elements, phrasing, dynamics, and stylistic interpretation is sometimes demonstrated. Significant breakdown in communication (cohesiveness) detracting from overall performance.
Performance etiquette is not consistent.

Expressive elements, phrasing, dynamics, and stylistic interpretation is rarely demonstrated. Group does not communicate, lacks cohesiveness and does not demonstrate appropriate performance etiquette. (stage presence, posture)