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2001 | church organ quartet (7'45")

Commissioned for S:t Maria Domkyrka and its organists:
Claes Holmgren – Stora Orgeln (Norra Skeppsläktaren), Berith Tivell – Maria-Orgeln (invid predikstolen), Hans-Gunnar Engström – Continuo-Orgeln (Norra sodkoret), Magnus Berglöf – Klinte-orgeln (Stora kapellet).

Specifications: 4 church organs (I, II, III, IV).

Comment: a.d. was written for four various sized organs in Visby Domkyrkathe S:t Maria Cathedral, in Visby. One of the organs is placed outside the main church hall. One of the organs is in medieval phytagorean tuning.

Premiered 20011228 at Mässdagarna in S:t Maria Domkyrka, Visby, SE.