Here are radio programs of interest from Sao Paulo's Cutural FM - listen here on the Internet. Times are local Sao Paulo times, one hour ahead of EDT.
October 1, 2 pm: Prof. Gilberto Tinetti discusses Felicja Blumental's performances of Bachianas Brasileiras no. 3 and Piano Concerto no. 5. This program is repeated at 3 am the following day.
October 2, 11 am: The Rio Cello Ensemble and pianist Wagner Tiso perform Mandu-çarará, which I haven't seen on CD.
October 7, 10 am: From the Brazilian label Funarte, the 1st Sonata-Fantaisie, with Oscar Borgerth, violin, and Ilara Gomes Grosso, piano. This is repeated at 4 a.m. on the 14th. Immediately following at 11:00 on the 7th, the Orquestra Petrobrás Pró-Música and conductor Armando Prazeres perform the 1st Sinfonietta, and Nelson Freire plays the amazing masterwork for the piano: Rudepoema.
October 13, 6 am: From a Brasilian CD on the Brascan Brasil SA label, Antonio Menezes, cello and Ricardo Castro, piano, perform the Pequena Suite. This is repeated at 11:00 on October 14.
October 21 is a day full of great piano performances: at 11 am Marcelo Bratke performs the first Prole de Bebe suite, and at 8:05, Caio Pagano performs Carnaval das crianças and the 1st, 3rd, 4th and 5th collections from the Guia prático (none of which are easily available on CD). The latter program is repeated at 9 am on the 26th.
October 24, 11 am: a Brazilian ensemble plays the Fantasia concertante for piano, clarinet and bassoon, and the great classical/popular instrumentalist Paulo Moura performs the Fantasia for Saxophone and Orchestra, with the Orquestra de Câmara Brasileira, conducted by Bernardo Bessler.