AmÃ lia da Piedade RebordÃ # o Rodrigues , known just by AmÃ lia Rodrigues ( July 23 , 1920 â `` October 6 , 1999 ) was a Portuguese singer and actress . AmÃ lia da Piedade Rodrigues , GCSE , GCIH , ( July 23 , 1920 -- October 6 , 1999 ) , also known as AmÃ lia Rodrigues was a Portuguese singer and actress .