 | Sigur Rós - Odins Raven Magic (with Steindór Andersen, Hilmar Orn Hilmarsson and Maria Huld Markan Sigfusdóttir) Rock |  04.12.2020 |
 | Sijjin - Helljinn Combat Metal |  25.04.2025 |
 | Sijjin - Sumerian Promises Metal | 12.11.2021 |
 | Sikorowscy - Okno na Planty Reggae/Ska | 07.10.2016 |
 | Sikorski - Soon Hip-Hop | 05.10.2018 |
 | SikTh - Opacities [EP] Metal | 04.12.2015 |
 | SikTh - The Future In Whose Eyes? Metal | 02.06.2017 |
 | Silent Call - Windows Metal | 11.10.2019 |
 | Silent Planet - Superbloom Metal | 03.11.2023 |
 | Silent Skies - Nectar Metal | 04.02.2022 |
 | Silent Stream Of Godless Elegy - Jiná Metal | 31.01.2024 |
 | Silent Stream Of Godless Elegy - Smutnice Metal | 11.05.2018 |
 | Silent Voices - Darkest Night In Europe [Live] Metal | 08.12.2017 |
 | Silent Winter - Empire Of Sins Metal | 26.03.2021 |
 | Silent Winter - Utopia Metal | 22.11.2024 |