[1] Polo's professional career started in 1975 as founding member of the band Los Jilgueros del Arroyo along with his brothers, Israel, Alberto, Jesús, and Raúl.
One year later, he formed the band Polo Urías y su Máquina Norteña, being the group's lead vocalist and director, as well as occasional songwriter; positions he holds to this day.
[2] Today, Polo Urías y su Máquina Norteña are popular in several regions of México and the United States.
He and his band had just finished a concert in Utah and were on their way to another gig in Colorado, when near Española, New Mexico, the bus' rear engine caught fire.
All members of the band, including Polo, were asleep at the time of the incident, but managed to escape unharmed thanks to a motorist who flagged down the bus driver, José Luis Ávila.