Complex sentence: Appearances in other Italian cities followed over the next five years as well as an appearance in Frankfurt in 1732 when she sang in the premiere of Giuseppe Maria Nelvi's "Siface re di Numidia".
Split into simpler sentences: Appearances in other Italian cities followed over the next five years. She also appeared in Frankfurt in 1732 when she sang in the premiere of Giuseppe Maria Nelvi's "Siface re di Numidia".