They are in two sections which are built on a theme developed through the use of variations. They begin with a brief, rythmic introduction which also acts as a bridge. Altogether, their structure is rather ssymmetrical with key melodic phrases repeated as a rule, every two, four or eight measures throughout. The Tonada is a type of ballad which is derived from a widely scattered mix of Andean indigenous mmotifs and a modification of the established dance styles. These lyrics are presented in four line verses, one of which is also used as a chorous.
Playback quality is dependent on the card and speakers used.