| Jan 3rd | Dialogues IV Sid Hille – Pepa Päivinen | EMMA – Espoo Museum of Modern Art | pianist |
| Jan 8th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Jan 16th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Jan 22nd | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Jan 29th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Feb 4th | Innanen-Hille-Louhivuori | Bar Favela, Helsinki | pianist |
| Feb 5th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Feb 7th | Two Moons Duo chamber concerts Sid Hille meets Tuomas Timonen (drums) | Temppeliaukio church, Helsinki | composer, pianist |
| Feb 12th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Feb 26th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Feb 28th | Two Moons chamber concerts Sid Hille meets Pauli Lyytinen (saxophone) | Temppeliaukio church, Helsinki | pianist |
| Mar 5th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Mar 5th | Foreign Friends | Martinussali, Vantaa | pianist |
| Mar 6th | Two Moons Duo chamber concerts Sid Hille meets Tapani Rinne (bass clarinet) | Temppeliaukio church, Helsinki | composer, pianist |
| Mar 7th | Farewell to Pitsku culture church, Sid Hille solo piano | Pitäjänmäki, Helsinki | pianist |
| Mar 11th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Mar 18th | The Empty Church Concert I, Sid Hille solo | Temppeliaukio church, Helsinki | pianist, multi-instrumentalist |
| Mar 20th | Two Moons Duo chamber concerts Sid Hille meets Heikki Nikula (bass clarinet) | Temppeliaukio church, Helsinki | composer, pianist |
| Mar 25th | The Empty Church Concert II, Sid Hille solo | Temppeliaukio church, Helsinki | pianist, multi-instrumentalist |
| Mar 27th | Two Moons Duo chamber concerts Sid Hille meets Herbert Könighofer (saxophone, AUT) – The digital meeting | Temppeliaukio church, Helsinki | composer, pianist |
| Hille-Könighofer Experience cancelled due to Corona | Taidehalli, Porvoo | composer, pianist | |
| Apr 1st | The Empty Church Concert III, Sid Hille solo | Temppeliaukio church, Helsinki | pianist, multi-instrumentalist |
| Sid Hille’s Tribute to the Beatles cancelled due to Corona | Juttutupa, Helsinki | pianist, arranger | |
| Apr 9th | The Empty Church Concert IV, Sid Hille solo | Temppeliaukio church, Helsinki | pianist, multi-instrumentalist |
| Apr 15th | The Empty Church Concert V, Sid Hille solo | Temppeliaukio church, Helsinki | pianist, multi-instrumentalist |
| Apr 17th | Two Moons Duo chamber concerts Sid Hille meets Herbert Könighofer (saxophone, AUT) – The digital meeting II | Temppeliaukio church, Helsinki | composer, pianist |
| Apr 22nd | The Empty Church Concert VI, Sid Hille solo | Temppeliaukio church, Helsinki | pianist, multi-instrumentalist |
| Radio Symphony Orchestra (RSO) plays Hille cancelled due to Corona | Chamber Music Festival, Music House Helsinki | composer | |
| Apr 29th | The Empty Church Concert VII, Sid Hille solo | Temppeliaukio church, Helsinki | pianist, multi-instrumentalist |
| May 6th | The Empty Church Concert VIII, Sid Hille solo | Temppeliaukio church, Helsinki | pianist, multi-instrumentalist |
| May 8th | Two Moons Duo chamber concerts Sid Hille meets Virpi Taskia (violin) | Temppeliaukio church, Helsinki | composer, pianist |
| May 13th | The Empty Church Concert IX, Sid Hille solo | Temppeliaukio church, Helsinki | pianist, multi-instrumentalist |
| May 19th | The Empty Church Concert X, Sid Hille solo | Temppeliaukio church, Helsinki | pianist, multi-instrumentalist |
| May 22nd | Hille-Könighofer Experience – Duo concert via satellite | Metatron, Vienna and Sid’s studio, Helsinki | composer, pianist |
| May 27th | The Empty Church Concert XI, Sid Hille solo | Temppeliaukio church, Helsinki | pianist, multi-instrumentalist |
| May 29th | Two Moons Duo chamber concerts Sid Hille meets Jori Huhtala (bass) | Temppeliaukio church, Helsinki | composer, pianist |
| June 3rd | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Aug 12th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Aug 19th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Aug 21st | Two Moons Duo chamber concerts | Temppeliaukio church, Helsinki | composer, pianist |
| Aug 26th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Aug 28th | Two Moons Duo chamber concerts | Temppeliaukio church, Helsinki | composer, pianist |
| Aug 29th | Sid Hille & Markus Hohti (cello & electronics) | Taidehalli, Porvoo | pianist, composer |
| Sep 1st | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Sep 4th | Two Moons Duo chamber concerts Sid Hille meets Ilari Filander (guitar & electronics) | Temppeliaukio church, Helsinki | composer, pianist |
| Sep 9th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Sep 16th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Sep 18th | Two Moons Duo chamber concerts Sid Hille meets Herbert Könighofer (saxophone & flutes, AUT) | Temppeliaukio church, Helsinki | composer, pianist |
| Sep 23rd | Sid Hille’s 500th Solo piano improvisations concert at Temppeliaukio Church | Temppeliaukio church, Helsinki | pianist |
| Sep 25th | Two Moons Duo chamber concerts Sid Hille meets Mark Alban Lotz (flutes, NL/D) | Temppeliaukio church, Helsinki | composer, pianist |
| Sep 30th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Oct 7th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Oct 9th | Two Moons Duo chamber concerts Sid Hille meets Gunnar Linder (shakuhachi, SWE) | Temppeliaukio church, Helsinki | composer, pianist |
| Oct 21st | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Oct 23rd | Two Moons Duo chamber concerts Sid Hille meets Nathan Thomson (prepared double bass, AU) | Temppeliaukio church, Helsinki | composer, pianist |
| Nov 11th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Nov 13th | Two Moons Duo chamber concerts Sid Hille meets Ineke van Doorn & Marc van Vugt (vocals & guitar, NL) | Temppeliaukio church, Helsinki | composer, pianist |
| Nov 18th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Nov 20th | Two Moons Duo chamber concerts, Sid Hille meets Markus Hohti (cello & electronics), 50th Two Moons concert | Temppeliaukio church, Helsinki | composer, pianist |
| Nov 21st | Sid Hille & Markus Hohti (cello & electronics) – In Dialogue V | EMMA art museum, Espoo | composer, pianist |
| Nov 25th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Dec 4th | Two Moons Duo chamber concerts, Sid Hille Camerata (string quintet) | Temppeliaukio church, Helsinki | composer, pianist |
| Dec 2nd | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Dec 9th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| Dec 16th | Solo piano improvisations | Temppeliaukio church, Helsinki | pianist |
| 2021 | |||
| Jan 9th | Sid Hille & Markus Hohti (cello & electronics) – In Dialogue VI | EMMA art museum, Espoo | composer, pianist |
Sid Hille