This documentary examines the musical tastes of Puerto Rico's youth. The terms "cocolos" refers to those who prefer salsa music, and "rockeros" to those who prefer rock music. Through interviews and an array of musical settings, the film explores the young people's feelings in a humorist yet serious manner, bringing to the forefront issues of biases and national identity inherent in this innocent yet very powerful form of social entertainment.
| Actor | Role |
|---|---|
 Gilberto Santa RosaNot listed | Not listed |
| EEddie PalmieriNot listed | Not listed |
| EEl Gran ComboNot listed | Not listed |
| CCheo FelicianoNot listed | Not listed |
| AAlfred D. Herger Sr.Self | Self |
 José NoguerasSelf | Self |
| DDanny RiveraSelf | Self |
| CChucho AvellanetSelf | Self |
| IIsmael MirandaSelf | Self |
| TTite Curet AlonsoSelf | Self |