| Antti Tikkanen | violin |
| Minna Pensola | violin |
| Atte Kilpeläinen | viola |
| Tomas Djupsjöbacka | violoncello |
| SIDE A | |
| (1) | Jean Sibelius String Quartet in d minor, Op. 56 » Voces intimae « Andante - Allegro molto moderato |
| (2) | Vivace |
| (3) | Adagio di molto |
| SIDE B | |
| (1) | Jean Sibelius String Quartet in d minor, Op. 56 » Voces intimae « Allegretto (ma pesante) |
| (2) | Allegro |
| Recorded | 2013-08-01 |
| Released | 2013-11-18 |
| Executive & Recording Producers | Rainer Maillard & Stephan Flock |
| Recording Engineer (Tonmeister) | Stephan Flock |
| Assistant Engineers | Douglas Ward & Leandro Peña |
| Cutting Engineer | Maarten de Boer |
| Lacquer Disc Developing | Pallas GmbH |
| Recording and Mastering Facilities | Emil Berliner Studios |
| Recording Location | Emil Berliner Studios, Meistersaal |
| Recording Equipment | PolyGram Modul Mixer, Reverberation chamber |
| Microphones | Josephson C700S, Josephson C617, Sennheiser MKH 20 |
| Lathe | Neumann VMS 80 |
| Cutting Head | Neumann SX 74 |
| Cutting Amp | Ortofon Amp GO 741 |