26 August 2011- Husum (Germany):  Participation at the The 25th Festival Rarities of piano music in Husum (Germany).
Programme: solo piano works by Sergey Taneyev, Anatoly Lyadov, Aleksey Stanchinsky, Herman Galynin and Boris Tchaikovsky

2 October 2011: 
Olga Solovieva played the concert with Vilnius String Quartet  at the Museum of Applied Art in Vilnius (Lithuania).

Piano Quintets by Brahms and Boris Tchaikovsky were performed.

25 June - 1 July 2011 - Bantry (Ireland):  Participation at the West Cork Chamber Music Festival, Bantry (Ireland).
Programme:
Brahms - Horn Trio (with Tai Murray and Herve Joulain);
Bartok - Trio Contrasts (with Fanny Clamagirand and Julian Bliss);
Bartok - Piano Quintet (with Auryn Quartet);
Faure - Second Piano Quintet (with RTE Vanbrugh Quartet);
Boris Tchaikovsky - Second Piano Sonata; Schubert - Piano Sonata in A minor D.784.

Also Olga gave the master-class for young musicians.