A1:

Children’s choirs up to 6 years

A2:

Children’s choirs up to 8 years

A3:

Children’s choirs up to 12 years

A4:

Children’s choirs up to 16 years

B1:

Boys‘choirs (sopranos and altos)

B2:

Boys‘choirs (sopranos, altos, tenors, basses)

C1:

Youth choirs up to 21 years (sopranos, altos)

C2:

Youth choirs up to 21 years (S, A, T, B)

C3:

Youth choirs up to 21 years (tenors, basses)

D1:

Adult choirs – men

D2:

Adult choirs – women

D3:

Adult choirs 

E1:

Vocal ensembles 4 - 8 singers (men,  women, mixed)

E2:

Chamber choirs 9 – 24 singers (men, women, mixed)

F1:

Folksong a cappella - for choirs

F2:

Folksong with instrumental accompaniment - for choirs

G:

Spiritual, gospel, pop, jazz

H1:

Musica Sacra a cappella

I:

Renaissance and Baroque music (at least 16 singers)

J:

Contemporary music (works by composers born after 1950)

K:

Musical theatre (without microphones)

R:

Choirs of seniors

X:

Non-competing choirs