Kleen, Johan Christoph
- John Bergsagel
(fl mid-18th century). Danish composer. He was active as an all-round freelance musician in Copenhagen: he played the violin for a couple of seasons in the orchestra of the Italian opera, taught singing and music to actresses, composed and accompanied arias which one of the dancers sang in the ballets, and arranged and copied music for the earliest Danish operas. An Italian opera company had been called to Copenhagen by King Frederik V in ...