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Big hits were Zvižduk U Osam, Romana and , Devojko Mala.
He recorded many international hits in Serbian ranging from Italian classics like Quando Quando Quando, Roberta and Lazarella, Rock'n'roll hits like Speedy Gonzales, Hello Josephine and If I Had A Hammer to to pop hits like Bang Bang, Sympathy and Emma (the Hot Chocolate song).
In 2004 he said goodbye to the stage with a farewell concert in Belgrado in the Sava Centar, now home to the Eurovision 2008 press center.
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1962 - Adio, adio - Addio Addio by Claudio Villa (written by Domenico Modugno) - on EP Igrajmo Twist (= let's twist again) (RTB PGP EP50103)
1963 - Jedan za sve - Uno Per Tutte by Renato Rascel - original release details wanted
Both songs can also be found on a 3CD K'o nekad, collecting Đorđe Marjanović's work including many coverversions of international hits.
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His best result was a 3rd place in 1968 so he never made it to the Eurovision stage.
Đorđe Marjanović National selection songs:1961 - Reč Il' Dve
1965 - Stari Kraj
1965 - Proletni Vetre
1966 - Najlepši Dan
1968 - Ne Verujem Ti Više
(Beograd is Belgrade, Serbia)
http://www.djordjemarjanovic.com/ is a good website about the singer. It's in Serbian but still worthwhile even if you don't read the lingo. Great pictures and some nice audio's.