There is more than one artist known as 27. 1. A band from Boston, Massachusetts. 2. A folk duo from Prague, Czech republic. 3. A Turkish world music/indie Rock band based in Los Angeles 1. Hailing from Boston, Massachusetts, 27 has released records on Hydra Head, Reproductive and Relapse in the US and Undergroove in the UK. 27, or sometimes twentyseven or even twenty27seven are Maria Christopher, Ayal Naor, and Terri Christopher. Individually and as a band they have worked with bands such as Isis and Twin Zero.