Vicente Barrientos Yépez

Flute (2)|Oboe (2)|Clarinet (2)|Bassoon (2)|Trumpet (2)|Horn (French Horn) (2)|Trombone (2)|Tuba|Percussions (2)|Piano|Celesta|Violin (2)|Viola |Cello|Double bass (1)

Pablo Rubino

Flute (2)|Oboe|Clarinet (2)|Contrabassoon|Trumpet (2)|Piano|Violin|Viola |Cello|Double bass|Vibraphone|Horn (French Horn) (2) (1)

Aldo Clementi

Flute|Clarinet|Piano|violin|oboe|Viola|Cello (1)

Violeta Cruz

Flute (2)|Oboe (2)|Clarinet (2)|Bassoon (2)|Trumpet (2)|Horn (French Horn)|Percussions (2)|Violin (2)|Viola |Cello|Double bass (1)