There are at least five artists by the name "SMS."

1) Czech rock band from Liberec, http://www.indiesrec.eu/umelci/484/sms/
2) Spanish band teen group.
3) Samir Mujagić, a Bosnian singer-songwriter who releases records under the name SMS. His music can be characterized as Balkan ethno pop.
4) Ukrainian female pop group, http://sms-music.com.ua
5) SMS is an r&b soul funk trio comprised of real-life married duo, Malice & Mario Sweet, with the addition of vocalist Shelby Poole. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.