Back cover has "Bearsville Studios, Woodstock, N.Y." but no mention of what was done there.
Gatefold interior has "Le studio: Son-Québec" but no mention of what was done there.
Back cover and inside gatefold:
Sonogram Ltée p 75
Labels:
Sonogram ℗1975
Matrix / Runout etched, ◎—∈—◎ stamped