《抱歉，当时只是一时冲动（“Silver Boy and Regatinha Over Hot Pink”系列——与 Henrique Farage 合作）》（Sorry, it Was in the Heat of the Moment (Silver Boy and Regatinha Over Hot Pink series – collab with Henrique Farage)）
《重读马克思（“Silver Boy and Regatinha Over Hot Pink”系列——与 Maria Eugênia Matricardi 合作）》（Reread Marx (Silver Boy and Regatinha Over Hot Pink series – collab with Maria Eugênia Matricardi)）
