Rapper and singer Lefty SM was known for his socially conscious lyrics and music that blended hip-hop and contemporary urbano music. Born Juan Carlos Sauceda in San Luis Río Colorado, Mexico, in 1992, he released dozens of singles, many of them collaborations with the likes of Santa Fe Klan and Neto Peña, among others, before making his full-length solo debut with Avión de Papel in July 2019. A steady stream of collaborations with other style-merging rapper/songwriters on the scene followed, and he delivered his next album, the Santa Fe Klan collaboration Necesidad, in mid-202...