What Pictures at an Exhibition by Mussorgsky was a tribute to?

"Pictures at an Exhibition" by Modest Mussorgsky is a tribute to his friend and artist Viktor Hartmann, who passed away in 1873. The suite is inspired by Hartmann's artworks, capturing the essence and emotional depth of the pieces through music. Each movement reflects a different painting or design, illustrating Mussorgsky's admiration for Hartmann's creativity and artistic vision. The work serves as a musical gallery that brings Hartmann's art to life.