Separately music for the series was also composed by Yo-Yo Ma and the Silk Road Ensemble, David Cieri and Doug Wamble. Ma's work, which served as a score for the Vietnam scenes in the documentary, was released on October 6, 2017 as The Vietnam War by In A Circle Records. A third soundtrack album was released by Universal Music Enterprises, a double disc compilation of 38 (of the over 120) pieces of popular music from the 1960s and 1970s played in the series, The Vietnam War (The Soundtrack).[2]