He started writing songs with Barry Mason, and his second solo single "Super Girl", issued on the Columbia label, reached no.

It proved more popular in Europe, reaching number 1 on some German charts and remaining in the top 10 there for several months, reportedly selling over 1 million copies.

[3] Follow-up records in Britain were less successful,[4] but Bonney established a lasting career in Germany, where 14 of his singles reached the top fifty between 1966 and 1973.

[3] His German hits included "Das Girl mit dem La-La-La", "Wähle 333", "Du bist viel zu schön", and "Brandy".

He also made TV appearances in the Netherlands, Belgium, Austria, Switzerland, Italy and Spain, and has continued to perform and release records in Germany.