album_name: Essential Wagner
artists: 35020ea90c754ea88c0c476e9dc64b94
artists: Richard Wagner
artists: ARTIST_ROLE_COMPOSER
artists: 8289568ec0b4474ea54ba294e19d856f
artists: Sir Adrian Boult
artists: ARTIST_ROLE_MAIN_ARTIST
artists: b696e3b76fb84bd6b2656f2ca509a014
artists: London Symphony Orchestra
artists: ARTIST_ROLE_MAIN_ARTIST
name: Parsifal, WWV 111, Act I: Prelude