Rubinstein's artwork focuses on the connection between music, visual art, poetics, and film. Earlier pieces, such as Sky Shudder, Variation1, incorporate drawing, painting, text, and original score 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 over the past twelve. In addition to numerous gallery exhibitions, the work has been exhibited at, or resides in 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, 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 includes 27 CDs of original music, numerous film and television scores, concert works, four large-scale performance works, three collections of poetry, and over 20 experimental videos.