Pedro Tudela and Miguel Carvalhais work in a duo as @c since 2000, occasionally expanding to an audiovisual trio when performing with the Austrian artist Lia.
They have released in Alg-a (es), Crónica (pt), Index (at), Fuga Discos (ar), Grain of Sound (pt), Lanolin (at), Ristretto (pt), Silence Is Not Empty (ir), Sirr (pt), Variz (pt).

web: http://www.at-c.org