1.) a Czech/Swedish electro-screamo band from Havířov and Prague. http://wearegagarin.bandcamp.com/
2.) a London-based solo artist specialising in spacy ambient electronica. He performs often and has recorded two albums as Gagarin.
3.) a Russian band that plays music, which in a way carries atmosphere of R ussian folk traditions, using bayan and other instruments. Influence of USSR-pop is also noticeable.