Déo Cesário Botelho or Déo Rian (born February 26, 1944, in Rio de Janeiro) is a Brazilian musician, composer and choro bandolinist.
He is a student of Jacob do Bandolim.
[1] In 1970 after Jacob's death, he took over his teacher's role as band leader and mandolinist in the choro orchestra Época de Ouro.
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