ECM NEW SERIES With Keller Quartet - Hallgató (CD). — made in Germany. With Keller Quartet - Hallgató (CD)
ECM NEW SERIES With Keller Quartet - Hallgató (CD)., sold under the ECM NEW SERIES brand, is manufactured in Germany. That origin is recorded at the "Internet-Sourced" evidence grade.
ECM NEW SERIES is headquartered in Germany; a brand's home country is not evidence of where its goods are made, and the two are tracked separately.
Origin evidence last reviewed 2026-06-29.
Every origin claim on Hesperia Market is graded by the strength of its evidence and linked to its sources.