Hi All! Has anyone heard of a brand called "H. Jordans M
Gladbach"? A friend found a tall upright, built in 1970, and I'm wondering what kind of reputation these pianos have. I think it's a German brand. Thanks in advance for the help!!

1988 Yamaha G3
Working on:
Rach Piano Concerto No 2, Prelude in G Minor, Moment Musicaux #4