Here are some of the samba celebrities and greats that have participated in past Unidos do Mundo projects.

Martinho da Vila was kind enough to contribute to Unidos do Mundo's first year success by writing a masterwork for the samba theme song of the first year.

Beth found out about the 2000 project online and came to the rehearsal for the Unidos do Mundo. She wore the Unidos do Mundo shirt and paraded with the gringos in the Sambadrome during the parade of champions.

Famous samba singer Neguinho da Beija-Flor helped several years with the project Unidos do Mundo.

Considered one of the best samba dance instructors in all of Brazil, he lent his time and talents to both the parade in the Sambadrome and to workshops with Unidos do Mundo.

Dona Zica of Mangueria got to see gringo sambistas first hand. She was quite delightful and very appreciative of the gringo samba show and was moved by the gringo sambistas hearts and talents.

The wife of Mestre Cartola, one of the founding fathers of samba gave a talk to Unidos do Mundo participants.