TY - JOUR T1 - Performance and Autoethnography in Historical Ethnomusicology: Differentiating the Viola and the Violão JO - Per Musi A1 - Castro, Renato Moreira Varoni de SN - 1517-7599 UL - 10.1590/permusi20163402 VL - Y1 - 2016 PB - Brasil ER -