Cite this page
“Variations for Piano, Op. 27.” Shanghai Concerts, https://shanghaiconcerts.com/en/works/webern-variations-for-piano-op-27.
This page follows the record; cite it with a date.
“Variations for Piano, Op. 27.” Shanghai Concerts, https://shanghaiconcerts.com/en/works/webern-variations-for-piano-op-27.