As part of the worldwide celebration of Gustav Mahler’s birthday on July 7, the Chicago Symphony Orchestra Association will present the digital premiere of the CSO’s 2010 performance of the composer’s Symphony No. 7, led by Pierre Boulez.

Originally broadcast on PBS’ “Great Performances” series, the concert will be streamed on Tuesday, July 7, at 7 p.m. (Central) on and the CSO’s Facebook and YouTube channels. The virtual concert experience, part of the CSOA’s efforts to provide alternative programming during the coronavirus pandemic, also will feature interactive commentary on the CSO’s Facebook and YouTube channels. In addition, the concert will remain available for on-demand streaming through Aug. 21, 2020.

The CSO has a special connection to Mahler’s Seventh Symphony, a five-movement work composed in 1904-05: it gave the U.S. premiere under music director Frederick Stock in 1921.

Written while Mahler was residing at his idyllic lakeside retreat in Austria, the symphony evokes the sound and sweep of nature. It begins with an extended opening movement featuring distinctive tenor horn calls, followed by an inner trio of movements that two nocturnes and a scherzo (marked by Mahler as “shadowy”); it ends with a brilliant C major finale that the composer once referred to as a “bright day.”

Throughout his distinguished career, Boulez sustained an acclaimed artistic collaboration with the Chicago Symphony Orchestra. At the time of this concert, he was the CSO’s Helen Regenstein Conductor Emeritus, a title he held until his death in January 2016 at age 90. Winner of the Recording Academy’s Lifetime Achievement Award in 2015, Boulez earned eight of his 26 Grammy Awards for recordings with the Chicago Symphony Orchestra and Chorus.

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