Original: Lob der Musik. Komp, Originalkomposition, Wertungschor. Hans Lang. Choir sheet music. Lob der Musik composed by Hans Lang. E4.T773-1.
Traduction: In Praise of Music. Komp, composition originale, choral score. Partition chorale. Choeur de femmes. Choral Score. ISBN M-005-07731-2.