Grupo H100 offer darkly poetic chronicles of struggling rancheros, and desperation often drives their all-too-human characters into the outlaw's life. But despite the grim realities they occasionally sketch on Trankis Morris, the quintet also treats norteño like a non-stop party, bringing a feel-good bounce to these rambunctious corridos. “Por La Espalda” pairs deeply enigmatic lyrics about the fight to escape poverty with an almost incongruously infectious rhythm, while euphoric accordion hooks propel a suprisingly poignant crime saga on “El J1."