Muž Nula (in English transcribed as "Clockwork Men") is a song by Marika Gombitová released on OPUS in 1983.

[1] The title composed by the artist herself, and accompanied with lyrics by Kamil Peteraj, was released as the pilot track to promote the singer's fourth solo studio album Mince na dne fontán.

[2] 5xP, respectively Päť pekných pesničiek pre potešenie (English: Five Nice Songs For Pleasure) was one of the Slovak TV music programs, in which either artists, or upcomers themselves competed by presenting their songs.

The show ran from 1983 to 1987, and the others popular (however, with no live audience) were Chose a Song (1967–76), The Ours 9 (1975–79), A Chance for the Talented (1976–83) and 6+1 (1979-83).

[3] Gombitová won an Audience Choice award (1984).