Simeon ten Holt's landmark minimalist opus Canto Ostinato has a known magnetism. The piece's captivating harmony and winding structure prove an adventurous enterprise for any like-minded players embarking down its path, and it was at this very threshold that Metropolis Ensemble's Andrew Cyr, musician/composer Erik Hall, and the members of Sandbox Percussion all found each other. Their ensuing undertaking marks a world-class collaboration that yields an expansive and beautifully detailed new presentation of ten Holt's iconic work.

In 2023 the New York Times shined a light on Simeon ten Holt, the late Dutch composer mostly unknown to the American contemporary classical audience. Featured in the story was Erik Hall in his Michigan studio, whose enthrallment with Canto Ostinato had resulted in his acclaimed solo recording on the label Western Vinyl. Taking notice was Metropolis Ensemble artistic director/conductor Andrew Cyr. He promptly relayed the album to Sandbox Percussion—each of them GRAMMY-nominated ensembles sharing over a decade of work together—and invited Hall to join them in re-orchestrating the piece for an outdoor summer solstice performance at the Brooklyn Botanic Garden. Now jointly feeling the piece's pull, the team crafted a sweeping new large-ensemble arrangement over six months, bringing into its orbit The New School's Sandbox Percussion Summer Seminar, as well as composers David Leon, Ben Wallace, and Ledah Finck and the Bergamot Quartet. The result was a luminous adaptation of the score, complete with mallet percussion, woodwinds, strings, and piano, garnering a recommendation from NPR's Morning Edition and culminating in sunrise and sunset performances for an enchanted audience.

The project's momentum carried straight into the studio, as a new recording became imperative—a permanent document of the team's collective ardor for the composition. Spearheaded by Metropolis Ensemble, produced by Cyr and Hall, and arranged by Hall, Leon, Wallace, and Sandbox Percussion’s Jonny Allen, the interpretation extracts and reframes every line, motif, and arpeggio from the original score, expanding ten Holt’s piano manuscript into a prismatic chamber array. Recorded by GRAMMY-winning audio engineer Mike Tierney, the performance was captured in New York, 2025. Sandbox Percussion's array of mallet instruments maintains a unified and gracefully athletic expression of the piece's duration, while David Leon's octet of woodwinds overlay a kaleidoscopic tapestry. Eighteen strings—led by award-winning violinist Kristin Lee—provide cinematic, otherworldly depth. And Erik Hall's concert grand piano threads through it all, a passionately reverent preservation of the piece's keyboard origins. Altogether, a breathtaking new form for Simeon ten Holt's already-monumental opus, each element serving the whole while driving towards a rapturous resolution.

Canto Ostinato, long beloved in its native Netherlands, is still a flame just beginning to burn in the US; a world just beginning to be discovered. But its gravity is certain. And the cohort of Metropolis Ensemble, Erik Hall, and Sandbox Percussion is honored to bear the torch and help continue to draw listeners everywhere to Simeon ten Holt's masterpiece of minimalism. 

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