There's more than one band with the name Solaris: 1) Solaris is a progressive rock band from Hungary. Established in 1978, then band went through several formations. Their music has a strong melodic content, often laced with Eastern European themes, and is highlighted by the use of dynamics and extended thematic development. There is a great deal of interplay among the lead instruments of flute, guitar and keyboard which is used to good effect in developing their themes.