Kvartet 4M

Croatian vocal group from Zagreb active in period 1956-1974. They represented Yugoslavia on Eurosong competition in 1969 reaching 13th place.

were:
Ivica Krajač Mali
Branko Marušić Medo
Željko Ružić Muki
Miro Ungar (1956-1968)
Saša Sablić Medicus (from 1968 on)