LaMusica App, Spanish Broadcasting System, Inc. (SBS) (OTCQX: SBSAA) and Los Angeles #1 Regional Mexican heritage station, 97.9FM LA RAZA announced today the annual presale for 2019 “Dia Nacional de la Banda” at STAPLES Center in Los Angeles on Sunday, January 20th, 2019. The annual concert will celebrate the best in Regional Mexican and Cumbia…