| # | Title | Artist | Rating | Length |
|---|
| 1 | String Quartet no. 1 in F major, op. 18, no. 1 (arr. H. Ulrich and R. Wittmann for piano duet): I. Allegro con brio | Beethoven / Ulrich / Wittmann | | 9:47 |
| 2 | String Quartet no. 1 in F major, op. 18, no. 1 (arr. H. Ulrich and R. Wittmann for piano duet): II. Adagio affettuoso ed appassionato | Beethoven / Ulrich / Wittmann | | 9:39 |
| 3 | String Quartet no. 1 in F major, op. 18, no. 1 (arr. H. Ulrich and R. Wittmann for piano duet): III. Scherzo: Allegro molto | Beethoven / Ulrich / Wittmann | | 3:39 |
| 4 | String Quartet no. 1 in F major, op. 18, no. 1 (arr. H. Ulrich and R. Wittmann for piano duet): IV. Allegro | Beethoven / Ulrich / Wittmann | | 8:02 |
| 5 | String Quartet no. 4 in C minor, op. 18, no. 4 (arr. H. Ulrich and R. Wittmann for piano duet): I. Allegro ma non troppo- producer:
- Dan Lippel
- piano:
- Saar Ahuvia (from 2013-10-10 until 2013-11-07) and Stephanie Ho (from 2013-10-10 until 2013-11-07)
- recorded at:
- Oktaven Audio in Yonkers, New York, United States (from 2013-10-10 until 2013-11-07)
- recording of:
- Quartet for 2 Violins, Viola, Cello no. 4 in C minor, op. 18 no. 4: I. Allegro ma non tanto (from 2013-10-10 until 2013-11-07)
- composer:
- Ludwig van Beethoven
- piano [piano duet] arranger:
- Hugo Ulrich and Robert Wittmann
- arrangement of:
- Quartet for 2 Violins, Viola, Cello no. 4 in C minor, op. 18 no. 4: I. Allegro ma non tanto
- part of:
- Quartet for 2 Violins, Viola, Cello no. 4 in C minor, op. 18 no. 4
| Beethoven / Ulrich / Wittmann | | 8:26 |
| 6 | String Quartet no. 4 in C minor, op. 18, no. 4 (arr. H. Ulrich and R. Wittmann for piano duet): II. Andante scherzoso quasi allegretto- producer:
- Dan Lippel
- piano:
- Saar Ahuvia (from 2013-10-10 until 2013-11-07) and Stephanie Ho (from 2013-10-10 until 2013-11-07)
- recorded at:
- Oktaven Audio in Yonkers, New York, United States (from 2013-10-10 until 2013-11-07)
- recording of:
- Quartet for 2 Violins, Viola, Cello no. 4 in C minor, op. 18 no. 4: II. Andante scherzoso quasi allegretto (from 2013-10-10 until 2013-11-07)
- composer:
- Ludwig van Beethoven
- piano [piano duet] arranger:
- Hugo Ulrich and Robert Wittmann
- arrangement of:
- Quartet for 2 Violins, Viola, Cello no. 4 in C minor, op. 18 no. 4: II. Andante scherzoso quasi allegretto
- part of:
- Quartet for 2 Violins, Viola, Cello no. 4 in C minor, op. 18 no. 4
| Beethoven / Ulrich / Wittmann | | 7:24 |
| 7 | String Quartet no. 4 in C minor, op. 18, no. 4 (arr. H. Ulrich and R. Wittmann for piano duet): III. Menuetto: Allegretto- producer:
- Dan Lippel
- piano:
- Saar Ahuvia (from 2013-10-10 until 2013-11-07) and Stephanie Ho (from 2013-10-10 until 2013-11-07)
- recorded at:
- Oktaven Audio in Yonkers, New York, United States (from 2013-10-10 until 2013-11-07)
- recording of:
- Quartet for 2 Violins, Viola, Cello no. 4 in C minor, op. 18 no. 4: III. Menuetto. Allegretto (from 2013-10-10 until 2013-11-07)
- composer:
- Ludwig van Beethoven
- piano [piano duet] arranger:
- Hugo Ulrich and Robert Wittmann
- arrangement of:
- Quartet for 2 Violins, Viola, Cello no. 4 in C minor, op. 18 no. 4: III. Menuetto. Allegretto
- part of:
- Quartet for 2 Violins, Viola, Cello no. 4 in C minor, op. 18 no. 4
| Beethoven / Ulrich / Wittmann | | 3:40 |
| 8 | String Quartet no. 4 in C minor, op. 18, no. 4 (arr. H. Ulrich and R. Wittmann for piano duet): IV. Allegro- producer:
- Dan Lippel
- piano:
- Saar Ahuvia (from 2013-10-10 until 2013-11-07) and Stephanie Ho (from 2013-10-10 until 2013-11-07)
- recorded at:
- Oktaven Audio in Yonkers, New York, United States (from 2013-10-10 until 2013-11-07)
- recording of:
- Quartet for 2 Violins, Viola, Cello no. 4 in C minor, op. 18 no. 4: IV. Allegro - Prestissimo (from 2013-10-10 until 2013-11-07)
- composer:
- Ludwig van Beethoven
- piano [piano duet] arranger:
- Hugo Ulrich and Robert Wittmann
- arrangement of:
- Quartet for 2 Violins, Viola, Cello no. 4 in C minor, op. 18 no. 4: IV. Allegro - Prestissimo
- part of:
- Quartet for 2 Violins, Viola, Cello no. 4 in C minor, op. 18 no. 4
| Beethoven / Ulrich / Wittmann | | 4:39 |
| 9 | String Quartet no. 6 in B-flat major, op. 18, no. 6 (arr. H. Ulrich and R. Wittmann for piano duet): I. Allegro con brio | Beethoven / Ulrich / Wittmann | | 6:37 |
| 10 | String Quartet no. 6 in B-flat major, op. 18, no. 6 (arr. H. Ulrich and R. Wittmann for piano duet): II. Adagio ma non troppo | Beethoven / Ulrich / Wittmann | | 6:40 |
| 11 | String Quartet no. 6 in B-flat major, op. 18, no. 6 (arr. H. Ulrich and R. Wittmann for piano duet): III. Scherzo: Allegro | Beethoven / Ulrich / Wittmann | | 2:59 |
| 12 | String Quartet no. 6 in B-flat major, op. 18, no. 6 (arr. H. Ulrich and R. Wittmann for piano duet): IV. La Malinconia: Adagio: Allegretto quasi allegro | Beethoven / Ulrich / Wittmann | | 7:38 |