There are atleast two artists known as 4G
1. 4G is a norwegian guitargroup consisting of Frode Alnæs, Knut Værnes, Knut Reiersrud and Bjørn Klakegg. They have only released one album, the self-titled 4G, which came out in June 2000.
2. 4G (The Four Gentlemen of the Guitar) is a musical quartet comprised of Christian Fennesz, Keith Rowe, Oren Ambarchi and Toshimaru Nakamura.