"People are probably going to give me [s***] about this," said Sol Peligro lead singer Sam Miranda. "Watching John Travolta in Saturday Night Fever [at] eight years old, I thought, 'This guy is cool.'" Though his band Sol Peligro plays reggae-influenced cumbia music -- not disco -- Miranda points to this moment as the first time he knew he wanted to be in a band. Friday night, Sol Peligro will be headlining a Concert in the Park that includes Retrograde Revolution and La Noche Oskura (click links for MySpace). Retrograde Revolution sounds like a Yellowman-influenced reggae/hip hop outfit, while La Noche Oskura combines punk and ska to sound like a Mexican Sublime. Miranda formed Sol Pel