[3][4] Hortto Kaalo has often performed together with the Finnish Romani singer Anneli Sari [fi].

[5][6] Hortto Kaalo's debut single, the protest song Miksi ovet ei aukene meille?

'Why doors won't open for us'), came out in 1970, and has been credited for contributing to the illegalization of racial discrimination in Finland.

[8] The group popularized Gypsy music among mainstream audiences in Finland.

[3] In 1977, the group's song Kauan sitten finished in the second place in the selection contest for the Finnish Eurovision Song Contest entry, losing out to Monica Aspelund's Lapponia.