Grupo Los de La O is an American Regional Mexican quartet formed in Las Vegas in
2017 by Sonora-born musicians Jesús Baca (accordion, lead vocals), Luis Carlos
(drums), Eduardo (bass), and Ramiro (bajo quinto), shaping a
norteño/corridos-forward sound grounded in Sonoran roots and U.S. hustle. They
introduced themselves with early 2019 cuts and a first live set, Pura Manzanita
(2019), then moved into the studio for Tras las Rejas (2020), where tracks like
“French Inhale” widened their streaming footprint. Their 2021 full-length La
Clase supplied fan favorites “El Fat Tony,” “La O...