Zeta Makripoulia and Michalis Hatzigiannis may not have managed to collaborate so far in a musical, since she will star in "Some people prefer it hot" and Michalis in "Ani", however, as reported by "TV Zapping", both of them will collaborate in the musical "The Melody of Happiness".The play is expected to be staged at the Pallas Theater, directed by Stamatis Fasoulis.