There are multiple artists with this name: 1. Sayonara is a pop/rock band formed in Karlskoga, Sweden in 2003 when four ice hockey-playing guys decided to focus the energy from the ice on music. 2. Sayonara is a czech hard/heavy rock from Czech Republic. 3. Sayonara is a neo-italodisco band from Sweden. Project with Krister from Chinese Theatre. 4. Sayonara is a brony-singer from Russia. Currently engaged in the localization of known compositions brony-songs in Russian.