Bruckner sounds closer to Beethoven (repetitive, simple melodic) and Wagner (large orchestral forces including Wagner tubas, progressive harmonic palette, atmospheric, sense of quasi-religious drama), alghough having dissonances too.

Glazunov sounds more sweeping, wide, russian melodic, sometimes dancing, sometimes dark and slow.

Only Bruckner has vocal.

Only Glazunov has violin concerto. (Bruckner, Glazunov)

Glazunov sounds more sweeping melodic, predictable, russian (although he has finnish fantasia).

Sibelius sounds more unpredictable (melody suddenly breaks or new one begins), dissonant, dark, atmospheric, unearthly, polyphonic, dissonant. Often Sibelius has repetitive back melodies.

Only Glazunov has piece for strings.

Only Sibelius has vocal, piano. (Glazunov, Sibelius)

Glazunov sounds more energetic, sweeping, post-romantic.

Glinka sounds more simple, repetitive, closer to classical.

Only Glinka has vocal. (Glazunov, Glinka)

Saint-Saëns sometimes sounds more serious, classical, repetitive (Mozart, Haydn) and sometimes more complex.

Glazunov sounds more russian national, light, simple melodic, dance, oriental.

Only Saint-Saëns has organ, piano, vocal. (Glazunov, Saint-Saëns)

Only Borodin has vocal, string quartet. (Borodin, Glazunov)

Easy comparison of two russian composers: late romantic Glazunov and modern Prokofiev.

Glazunov sounds melodic, sweeping, dance.

Prokofiev sounds rhythmic, sardonic, modern, experimental.

Only Prokofiev has piano, vocal. (Glazunov, Prokofiev)

Glazunov sounds more sweeping and post romantic.

Brahms sounds more strict and closer to classical.

Only Brahms has vocal, piano.

This island seems difficult to me. I would be glad if you add guidelines here. (Brahms, Glazunov)

Glazunov sounds more simple melodic, national.

Berlioz sounds more pathos, bravura.

Only Berlioz has vocal. (Berlioz, Glazunov)

This is a simple island, but some tracks can be interesting to compare.

Both composers have light music, but Schubert sounds more classical, while Glazunov sounds closer to late romantic.

Only Schubert has piano, vocal, chamber music. (Glazunov, Schubert)

R Strauss sounds more polyphonic, dissonant and sweeping.

Glazunov almost always has russian melody.

Only R Strauss has piano, vocal. (Glazunov, R Strauss)

Mahler sounds more complex, polyphonic, dissonant.

Glazunov almost always has russian melody.

Only Mahler has vocal, piano.

This island seems difficult to me. I would be glad if you add guidelines here. (Glazunov, Mahler)

Compare russian composer Glazunov to his russian student Shostakovich.

Glazunov sounds more academic and old-fashioned.

Shostakovich sounds more dissonant, abrupt, fugue, dark, tragic.

Only Glazunov has violin concerto in this game.

Only Shostakovich has cello concerto, piano, vocal in this game. (Glazunov, Shostakovich)