After he left Scorpions and finished his military obligations, Jurgen Rosenthal joined the band Eloy.
In 1981, Jurgen joined a band called Ego On The Rocks and recorded a LP.
In 1988, he joined Zeno Roth and recorded a LP called Echo Park
Last appearance that I know is on the Mother Jane’s CD called Turn The Page. Jurgen plays drums on some tracks.