British musician and singer, Richard Thompson, took the title for his 1994 album Mirror Blue from the poem: 'And sometimes thro' the mirror blue/ The knights come riding two and two.'
Brittiläinen muusikko ja laulaja, Richard Thompson, nimesi levynsä Mirror Blue (1994) Tennysonin säkeen innoittamana: And sometimes thro' the mirror blue / The knights come riding two and two.