Jos Maters plays Phantasie from Sonata 15 in D by Joseph Rheinberger on the Sauer organ (1889) in the St. Nicholas Basilica in Amsterdam, where he is the assistant-organist.
This was a live recording of a concert he played on August 11, 2021.

With special thanks to:
Video/sound editing: Hans Latour
Stop-assistant: Jasper Dijkstra

Specification of the Sauer organ (1889)
I. MANUAL
Principal 16
Principal 8
Flûte Harmonique 8
Viola di Gamba 8
Gedact 8
Octav 4
Rohrflöte 4
Octav 2
Mixtur 5f.
Cornett 3-5f.
Trompete 8

II. MANUAL (im Schweller)
Bordun 16
Principal 8
Traversflöte 8
Salicional 8
Rohrflöte 8
Octav 4
Flauto Dolce 4
Mixtur 2-4f.
Clarinett 8

III. MANUAL (im Schweller)
Quintatön 16
Geigenprincipal 8
Concertflöte 8
Lieblich gedact 8
Aeoline 8
Voix céleste 8
Fugara 4
Traversflöte 4
Flautino 2
Trompete 8

PEDAL
Contrabass 16
Principal 16
Subbass 16
Quintbass 12
Offenbass 8
Violoncello 8
Bassflöte 8
Octav 4
Posaune 16
Trompete 8

COPPELUNGEN
I-II II-III I-III
P-I P-II

COMBINATIONEN
Piano, Mezzoforte, Forte, Tutti
Sauer’s Patent Combinationspedal