Bremen,
St. Martini
1615-1619: New organ by Christian Bockelmann.
1628: Repairs by Johann Sieburg.
1638: Repairs by Caspar Valekamp.
1707-1709: Modification and enlargement by Arp Schnitger.
1718: Repairs by Schnitger.
1748: Repairs by Erasmus Bielfeldt.
1758: Repairs by Heinrich Wilhelm Eckmann.
1834: Repairs by Otto Biesterfeld.
1894: New organ in the old case by Furtwängler & Hammer.
1961-1962: New organ in the old case by Ahrend & Brunzema.
Specification of the organ after the modification by Schnitger:
| Hauptwerk | Rückpositif | Pedal | |||
| Perdun | 16' | Gedact | 8' | Principal | 16' |
| Principal | 8' | Principal | 4' | Gedact | 8' |
| Hollfloït | 8' | Octava | 2' | Octava | 4' |
| Octava | 4' | Waldfloit | 2' | Mixtur | VI |
| Nazat | 2 2/3' | Siefloit | 1 1/3' | Posaune | 16' |
| Rauschpfeiffe | II | Sesquialtera | II | Trommete | 8' |
| Mixtur | VI | Mixtur | IV-VI | Trommete | 4' |
| Cimbel | III | Dulcian | 8' | Cornet | 2' |
| Dulcian | 16' | ||||
| Trommete | 8' |

Photo from Wikipedia