Two major spiritual compositions are combined in one program, where the choir, orchestra, soloists, and organ work as a unified whole. The music of Grechaninov and Bruckner resonates here with a grand breath, strict beauty, and inner uplift, promising the listener a focused, powerful, and emotionally rich concert with a rare sense of scale. The concert is built on the meeting of two large scores, where choral sound, orchestral depth, and a sense of great spiritual form are particularly important. The program features Grechaninov's "Ecumenical Mass" and Bruckner's Te Deum - compositions that are close in their internal scope but differ in intonation and musical language. This juxtaposition makes the evening especially meaningful for the listener who appreciates large-scale academic music. Grechaninov's Mass is written for soloists, choir, orchestra, and organ, and in this composition, there is already a sense of spacious sound. This is important for the audience because the piece unfolds not as a chamber reflection but as a grand cathedral statement, where each group of performers has its own role. The choral fabric, solo episodes, organ support, and orchestral foundation come together in a cohesive dramaturgy that requires high concentration and a clear sense of form from the performers. Bruckner's Te Deum adds a different type of energy to the program - more monumental and tense. In this music, the density of choral sound, the architectural structure, and the composer's ability to create strong emotional movement from large masses of sound are particularly palpable. For the listener, such a piece is interesting because it operates simultaneously both directly and at the structural level: it impresses with its power while maintaining finely crafted proportions.