Grammy-winning group Ozomatli, known for infectious dance music built around Latin rhythms, will headline this year’s Muertos Fest, the annual free festival honoring the Mexican Día de los Muertos tradition at Hemisfair. Known for its riveting live shows, Los Angeles-based Ozomatli specializes in an energetic fusion of funk, hip-hop, salsa, reggae and other genres. The band is one of 40 musical acts scheduled to play the 11th Annual Día de los Muertos at Hemisfair — also known as Muertos Fest — scheduled for the weekend of Oct. 28-29 at Hemisfair’s newly opened Civic Park.