Amsterdamse band met in de beginjaren o.a. Jan Akkerman, Kaz Lux en Pierre van der Linden.

1969
- Down man / Woman's gone
(Imperial IH 844)
- Sea of delight / Amsterdam, the first days
(Imperial 5C 006-24027)
- Summertime / Dark rose 
(Imperial 5C 006-24076)

1970
- To you / So helpless
(Imperial 5C 006-24135)
- Between alpha and omega / Cruel train
(Imperial 5C 006-24217)
- Doomsday train / Good morning, day
(Imperial 5C 006-24238)
- The smile (old friends have a right to) / The flight
(Imperial 5C 006-24258)

1971
- Virgin / Mobilae
(Imperial 5C 006-24414)
- Dilemma / If you could only feel it
(Imperial 5C 006-24454)

1972
- A part of me is a part of you / When I was poor
(Imperial 5C 006-24429)
- Down man - Summertime / Dark rose
(Imperial 5C 006-24635)

1973
- EP Mammoth - The smile / Jumbo - Hocus pocus [flexi]
(Rijam, zonder nr.) [A1: Kayak - A2: Brainbox / B1: Dizzy Man's Band - B2: Focus]