Sputnik
1) Knut Storbukaas (b.1942), Norwegian artist, first non-Russian ever to performe music on the Red Square, Moscow.
2) Zputnik is electropunk band from the Czech republic.
3) A russian electronic band based in Netherlands.
4) A Japanese pop band whose members include Da-little (a.k.a ひらどん/hrdn - a Niconico singer), and the musician Taisho.
5) An alternative/punk-rock band from Mexico City. Correct tag for them is Sputnik!.
6) A jazz fusion band from Winnipeg, Canada.