It was introduced as a way to deceive enslavers, making them believe that the slaves were dancing and singing, when in fact they were also practicing blows to defend themselves. It determines the rhythm and style of the game that is played during the capoeira circle. The music is composed of instruments and songs, and the rhythm can vary according to the Touch of Capoeira from very slow (Angola) to very fast (São Bento Grande). Many songs are in the form of short stanzas interspersed with a chorus, while others come in the form of long narratives (litanies). Capoeira songs have the most varied subjects.