Rock band from Zizers (Grischun/Graubünden), Switzerland. Founded in 1979 by Martin Wittwer, Jonny Buschauer and Robert Rohner under the name of Alcatrazz. Changed their name to May Day in 1980.
Ainga Dobbelaere (Lead Guitar);
Röbi Rohner (Bass & Vocals);
Gäry Tönz (Rythm Guitar & Vocals);
Edi Zinsli (Piano & Vocals);
Ändu Walther (Drums);
Tom Graf (Lead Vocals).