along with ethnographic work on collecting and preserving folk heritage, as the long-standing music editor on radio osijek (1969 -2005), nikolić used his position to record a great number of folk motifs, and in his many television appearances and radio broadcasts he promoted folk songs and traditional dances from the area of slavonija, baranja and srijem. among his many public performances, his solo at the concert of the 100 best croatian tamburitza players under the name of “šokačka rapsodija”, which was included in the guinness book of records for its number of players, stands out.