This concert was recorded 15 months after the LP "Flaps" here.
Part of "Flaps was released on CD there. Lacy and Koglmann made one more LP where Bill Dixon + Koglmann (without Lacy) can be heard on the first side . A few tracks also made it on to the mentioned CD.
But this recording remains unreleased except the first track:
FRANZ KOGLMANN QUARTET & STEVE LACY "BALVER HÖHLE, 1974"
Franz Koglmann, trumpet
Steve Lacy, soprano saxophone
Toni Michlmayr, bass
Muhammad Malli, drums, soprano saxophone
Gerd Geier, electronics
1. Flaps 10:41
2. Der Vogel / Opium 09:12
3. Wünschelrute 14:57
4. Weanerisch Dearn 06:15
5. Life On Its Way 05:10
Recorded at the Balver Höhle, Balve, Germany on July 28, 1974.
Note: "Flaps" was issued on JG RECORDS JG 036-039 (4xLP) - OOP
Take a look at the artwork of the LP.
Some translations: 'Wünschelrute' means divining rod / dowser. 'Weanerisch Dearn' is the Vienesse girl in Vienesse dialect and finally a bird is "Der Vogel".