Six Duos Concertants

In ca. 1803, Sieber published Six Duos Concertants for violin duet from works of Haydn; a short time later, the same publisher produced similar arrangements for clarinet duet.

Duo No. 1
I. Allegro spiritoso
from movement IV of String Quartet in B-flat Major, Hob.III:40
II. Minuetto I: Allegretto scherzoso
from movement II of String Quartet in B-flat Major, Hob.III:40
– Minuetto II
source unknown

Duo No. 2
I. Allegro moderato
from movement I of String Quartet in G Major, Hob.III:21
II. Minuetto: Poco allegretto e con grazia
from movement II of String Quartet in G Major, Hob.III:21
III. Presto non tanto
from movement IV of String Quartet in G Major, Hob.III:21

Duo No. 3
I. Andante con variazioni
from movement I of String Quartet in B-flat Major, Hob.III:23
II. Presto
from movement IV of String Quartet in B-flat Major, Hob.III:23

Duo No. 4
I. Moderato
from movement 1 of String Quartet in E-flat Major, Hob.III:20
II. Minuetto con grazia
from movement II of String Quartet in E-flat Major, Hob.III:20
– Minuetto II
source unknown

Duo No. 5
I. Allegro moderato assai
from movement I of String Quartet in C Major, Hob.III:19
II. Minuetto Allegretto scherzoso
from movement II of String Quartet in C Major, Hob.III:19
– Minuetto II
source unknown

Duo No. 6
I. Allegro moderato e malinconico
from movement I of String Quartet in D Minor, Hob.III:22
II. Minuetto Moderato e con grazia
from movement II of String Quartet in C Major, Hob.III:39
III. Allegro con brio
from movement IV of String Quartet in D Minor, Hob.III:22

The durations of each duo are listed below in minutes (including all repeats):

Duo No. 1
I: 7.5 (4.75 without repeats)
II: 4.75

Duo No. 2
I: 7.5 (3.75 without repeats)
II: 2.25
III: 4.5 (2.25 without repeats)

Duo No. 3
I: 7.75 with all repeats
II: 6.5 (3.25 without repeats)

Duo No. 4
I: 11 (5.5 without repeats)
II: 4.75 

Duo No. 5
I:  10.25 (5 without repeats)
II: 6.25

Duo No. 6
I: 8.5 with repeats (4.25 without repeats)
II: 2.75
III: 4.5 with repeats (2.5 without repeats)