Konstantin Karlovich Albrecht (4 October 1836 – 26 June 1893) was a cellist in the Moscow Bolshoi Theater orchestra, a teacher and administrator.
[2] He also helped to found the Russian Musical Society and the Moscow Conservatory.
[1] Tchaikovsky and Albrecht met while both were working at the Moscow Conservatory.
The two became friends, and Tchaikovsky dedicated his Serenade for Strings to Albrecht.
[3] Tchaikovsky also contributed to Albrecht's Collections of Choral Pieces for Single and Mixed Voices.