In 1972, he moved to Aachen, Germany with the group Zilotis (Greek: Ζηλωτής, "Zealot") in an attempt to break into the international music scene.

In 1976, Greek songwriter Dionysis Savvopoulos invited him to participate in Acharnees, a cycle of songs and stage acts based on the ancient comedy The Acharnians by Aristophanes.

There Papazoglou met Manolis Rasoulis and in 1978 the two, along with Dionysis Savvopoulos and Nikos Xydakis, produced the influential Ekdikisi Tis Gyftias (Greek: Εκδίκηση της γυφτιάς, "Revenge of the Gypsies").

Papazoglou and Rasoulis cooperated the following year on another successful work, Ta Dithen (Τα δήθεν, "The so-called").

Papazoglou was a producer and sound technician to many of the underground rock scene of Greece in the 1980s through his Agrotikon Studio.