The corridinho is a form of Portuguese

Portugal

Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

 dance, namely in the Algarve. It is dance

Dance

Dance is an art form that generally refers to movement of the body, usually rhythmic and to music, used as a form of expression, social interaction or presented in a spiritual or performance setting....

d with the pairs always embraced, forming a circle, girls inside and the boys outside the circle. By rotating the circle the pairs evolve side by side. At a certain time, when the music as a stronger beat, their feet hit the floor more intensely, stopping the rotation, to resume afterwards. Further away in the dance, the pairs embraced waltz

Waltz

The waltz is a ballroom and folk dance in time, performed primarily in closed position.- History :There are several references to a sliding or gliding dance,- a waltz, from the 16th century including the representations of the printer H.S. Beheim...

by spinning in the same place. Next the circle starts rotating again always for the right side. It is a very traditional dance in Portugal that Portuguese people like doing. Besides, you also see people enjoying the dance in the colonial states like Goa, Daman & Diu, Nagar Haveli (India) small part of Ceylon (Sri Lanka) and Macau (China).