Personil MO [1979-1981]

* Heili Helder: zang
* Clemens de Lange: piano, toetsen-bas
* Huub de Lange: orgel, fagot
* Harm Bieger: drums

Personil MO [1981-1985]

* Linda Bloemhard: zang
* Ton van der Meer: synthesizer
* Hans Nieuwint: synthesizer
* Harm Bieger: drums

Albums

* 1980 Mo
* 1982 Ha! Ha! The Sound Of Laughing
* 1984 Stop Staring