Columbia subject headings:
Danube River.
Field recordings--Danube River.
Field recordings.
Sound installations (Art)
Soundscapes (Music)
Soundscapes (Music)--Danube River.
Harvard subject headings:
Danube River.
Field recordings--Danube River.
Field recordings.
Sound installations (Art)
Soundscapes (Music)
Soundscapes (Music)--Danube River.
Princeton subject headings:
Danube River--Songs and music.
Soundscapes (Music)--Danube River.