Effective period / Period of releases: 1970 - 1975

Members: Robert Verwey, Jacques Zwart, Peter van Asten, Martin van Os, Johan Slager, Michel van Dijk, Donald van Os, Egon Verhoeven

This group from Amsterdam evolved from the band Penny Wise.
When it started out in 1969, the line-up was: Donald van Os (Guitar-Backing-Vocals, ex-Penny Wise), Martin van Os (Drums, ex-Penny Wise), Johan Slager (Guitar, ex-Lttle Johnny & Flaming Stars), Peter van Asten (Vocals), Robert Verwey (Bass, Brainbox).

Line-up in 1970: Donald van Os, Martin van Os, Egon Verhoeven (Bass, ex-California License), Michel van Dijk (ex-Ekseption, went to Brainbox and stayed there from 1971 until 1974).

In 1974, the line-up changed to: Donald van Os, Martin van Os, Michel van Dijk and Jacques Zwart (Bass, ex-Think Tank). In that year, Amsterdam fell apart. Peter van Asten became a famous producer and composer. He released some solo records as Peter Bewley.