Complex sentence: Ladislao Martinez a.k.a. "El Maestro Ladi" (June 27,1898-February 1,1979), was a master cuatro musician, who became the first Puerto Rican to play a cuatro solo on the radio.
Split into simpler sentences: Ladislao Martinez a.k.a. "El Maestro Ladi" (June 27,1898-February 1,1979), was a master cuatro musician. He became the first Puerto Rican to play a cuatro solo on the radio.