Mauricio Mena. Mauricio Mena was >> in The Sound of Hope as 'Self - El Salvador diplomat'.Renato Portillo. Renato Portillo was >> in The Sound of Hope as 'Self - El Sistema music teacher'.Kevin Shaffter. Kevin Shaffter was >> in The Sound of Hope as 'Self - MusAid director'.Emanuele Michetti. Emanuele Michetti was >> in The Sound of Hope as 'Director, Writer, Producer, Director of Photography'Hisayo Kushida. Hisayo Kushida was >> in The Sound of Hope as 'Consulting Editor'Andy Lobashevsky. Andy Lobashevsky was >> in The Sound of Hope as 'Consulting Editor'