The Ergon Amarante de Souza-Cardoso II. Inspired by the portuguese painter Amadeo de Souza-Cardoso, born in Amarante and one of the most renowed modernist painters of his time. It is one of the guitars that belong to the RED Collection, envisioned by the Projects of Three, a collaboration between the luthier Adriano Sérgio (Ergon Guitars), Michael Spalt (Spalt Instruments) and Ulrich Teuffel (Teuffel Guitars).