When we speak of an opera company, we are not discussing just individual singers and the chorale.
It is a small output: two sonatas, a rondo, a set of variations and several smaller pieces, together with a set of five chorale preludes for organ.
Immediately after the opening the string surgings, now joined by woodwind, are statically contrasted with a serious, almost chorale-like series of passages in the lower strings.
Two other layers remain to be commented upon: the sequence of solos, and the 'chorale' harmonies.
After gathering in pace for 23 variations the energy was suddenly released, leaving a very high chorale and the feeling, not of ending, but of anticipation.
Pelayo agrees, and banda and chorus join in the organ chorale.
From this he went to chorales; first he added the basses to them himself, and they had to invent the alto and tenor.
It is easy enough to think of the chord sequence as chorale-like, but this is no conventional chorale.