Complex sentence: In the 1950s she recorded 4 songs a month; she sold more records in Peru than the Beatles, establishing a reputation as the diva of Andean song, and winning every award that pertained to her type of music.
Split into simpler sentences: In the 1950s she recorded 4 songs a month and sold more records in Peru than the Beatles. Her success established her reputation as the diva of Andean song and she won every award that pertained to her type of music.