Summer 1977 - Spring 1978 : Pierre Moerlen, Benoit Moerlen, Hansford Rowe, Mireille Bauer (Edition Speciale, Catherine Ribiero + Alpes) : Expresso II recorded under the name Gong to complete their Virgin contract, with Mick Taylor, Alan Holdsworth, Darryl Way, Bon Logaza, and François Causse guesting.
Spring-Autumn 1978 : Pierre Moerlen, Benoit Moerlen, Hansford Rowe, François Causse, Ross Record (left due to a nervous problem on stage). Downwind, with Didier Lockood, Mick Taylor, Terry Oldfield and Steve Winwood guesting. Didier Malherbe and Mike Oldfield sat in for a couple of gigs in February 1979.
Autumn 1978 - May 1979 : Pierre Moerlen, Benoit Moerlen (Abus Dangereux, Bekummerni), Hansford Rowe, François Causse, Bon Logaza. Live (recorded early 1979)
May 1979-1981 : Pierre Moerlen, Hansford Rowe, François Causse, Bon Logaza, Jeff Young (only on European tour, September-December 1979). Time is the Key, with Peter Lemmer (didn't want to tour), Alan Holdsworth, Darryl Way, N. Ramsden, J.Kirby. Leave it Open (Lifetime 202 995 320) recorded March 1980-81 with Charlie Mariano and Brian Holloway guesting.
1983-85 : Pierre Moerlen, Hansford Rowe, Ake Zieden, Lena Andersson, Dag Westling, Michael Zylka, Nina Andersson, Chister Rhedin : Breakthrough