Sternklang, is "park music for five groups" composed in 1971 by Karlheinz Stockhausen, and bears the work number 34 in his catalogue of compositions. The score is dedicated to his spouse, Mary Bauerme
Frederik de Wit: Planisphærium Coeleste (1670)
Stockhausen (back, centre) in September 1972, with several of the Beethovenhalle performers: front: P. Eötvös, 5 members of the Collegium Vocale: D. von Biel, G. Rodens, W. Fromme, H. Albrecht; second row, second from left: H.-A. Billig; and percussionist C. Caskel (for right)