Rubinstein's artwork focuses on the interdisciplinary connection between visual art, music, film and text. It was last represented in a one-person exhibition at Phil Space Gallery in Santa Fe, New Mexico, November/December, 2015. Earlier pieces, such as Sky Shudder, Variation 1 incorporate drawing, painting, original musical score and bits of Donald's poetry into "a swirl of enigmatic composition."
Rubinstein, who may be better known as a composer and songwriter, has been drawing and painting for years, though only began exhibiting consistently in the past ten. The work has been exhibited at, or resides in the permanent collections of, The Museum of Modern Art; The Whitney Museum of American Art; The Scottsdale Museum of Contemporary Art; The Fabric Workshop and Museum, The City of Albuquerque; The Lively Group, NYC and in private collections around the world.
Rubinstein is a 2014 Rauschenberg Foundation Fellow and was in residence at The Rauschenberg Foundation, Captiva Florida, in February/March 2014. The award is given via nomination.
At age 25 Donald Rubinstein made his musical debut composing the score for George A. Romero’s cult classic film “Martin.” It was named one of the “Top 100 Coolest Soundtracks of All Time,” Mojo magazine (2002). Since then, in addition to his artwork, Rubinstein's output has included 26 CDs of original music, numerous film and television scores, various music commissions, three large-scale multi-media performance works, five collections of poetry and a recent directorial spate of seventeen short, experimental films.