The Czech Philharmonic Orchestra has commissioned a new orchestral piece by Orson. The Double Concerto for two Trombones is going to be performed in 2021.

The piece for mixed choir a cappella Kouzla (The Spells) has been released on CD "Celebaration 60 Years" by the Kühn Choir of Prague. Available by the choir.

Orson´s opera DON HABAL on own libretto was  premiered on 14 December 2017 at the National Theatre in Prague (New Stage). The main character of the Czech writer Bohumil Hrabal is being performed by the foremost Czech baritone Roman Janál. The next performance in 2020.

Favourable review on Don Hrabal in the Neue Musikzeitung

Orson´s  theatre piece with music (he created both text and music) about the former Czech president Vaclav Havel VELVET HAVEL is being performed at the theatre Divadlo Na zábradlíIt has been performed during the foremost  theatre festivals in the Czech Republic and abroad and has celebrated its 100. reprise in Summer 2018. In November 2019 it was performed in London.  It was awarded with the most prestigious Czech Theatre Award  - The Theater Critics Award 2014 in 5 categories - the best music, the best Czech play, the best staging, the best actor and the best actress.

Mikve (Mikveh) by Hadar Galron with Orson's music is still being performed at the  Budapest-Pestiszinazs Theatre. It has already more than 100 performances. The very succesful performence at the National theare Prague was perforemed during last  10 years and reached hunderts of reprises (last performance in June 2018).