Vinyl LP pressing. More than 50 million records sold, Omega are Hungary's number one rock export. The 1973 LP Omega I was a compilation of songs from Élö and from the album Omega 5, which was released in the same year in the Eastern bloc. To boost sales of this first Bacillus record by the Hungarian flagship rockers, it was backed by two singles of the ballad Gyöngyhajú lány in English (Pearls In Her Hair).