Heloísa Maria Buarque de Hollanda (born November 30, 1937 in Rio de Janeiro), whose artistic name is Miúcha, is a Brazilian singer and composer. She is the daughter of historian Sérgio Buarque de Holanda and Maria Amélia Cesário Alvim, and sister of the singer and composer Chico Buarque and two other singers Ana de Hollanda (prior Ministry of Culture in Brazil) and Cristina. Her career began in 1975 working with her husband at that time, João Gilberto, and Stan Getz, recorded as a participant in the disc The Best of Two Worlds. This was followed by forays into jazz with Tom Jobim, Vinícius de Moraes, João Gilberto and her daughter Bebel Gilberto.