Nielsen: Symphony No. 4, Op. 29 “The Inextinguishable” – II. Poco allegretto · Danish National Symphony Orchestra · Fabio Luisi · Carl Nielsen Nielsen: Symphony No. 4, Op. 29 “The Inextinguishable”: II. Poco allegretto ℗ 2022 The Danish National Symphony Orchestra, under exclusive license to Deutsche Grammophon GmbH, Berlin Released on: 2022-09-23.