On 31 May 2025, the choir of the Lira Singing Society from Warsaw, conducted by Marcin Cmiel, received Silver Diplomas in two categories: Musica Sacra and Open at the 10th Carmen Fidei International Competition of Sacred Choral Music in Grudziądz.
Below are the certificates awarded to the choir. The competition took place at the Church of the Exaltation of the Holy Cross in Grudziądz.
