There are multiple artists with this name:

1) Talk are an electronica / indie band from Shrewsbury, UK. They were previously called Telex, releasing the Byp-Ctrl EP before being forced to change their name to Talk by a recently reformed Belgian band of the same name.

Their debut album "Reset Start Again" was released by Fortune & Glory in 2008 to critical acclaim, including Radio 1's Huw Stephen's 'album of the month'.

Official Website

2) "talk" (spelled in lower case) are Japanese shoegaze / postrock band.

Bandcamp

3) TALK (spelled in upper case) is a Ottawa indie pop-rock artist. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.