Complex sentence: By January 1875, Dolaro was director of the Royalty Theatre, where her father served as music director, and where she was starring in Offenbach's "La Périchole" uniting "vivacity as an actress" with "taste and skill as a singer".
Split into simpler sentences: By January 1875, Dolaro was director of the Royalty Theatre, where her father served as music director. She starred in Offenbach's "La Périchole", uniting "vivacity as an actress" with "taste and skill as a singer".