Complex sentence: This production had the participation of Alejandra Guzmán, Andrés Calamaro and Kenny; they began to play across the country with much recognition, then the group took a break and the leaders of the band decided to start separate projects.
Split into simpler sentences: This production had the participation of Alejandra Guzmán, Andrés Calamaro and Kenny, and they began to play across the country with much recognition. Then the group took a break and the leaders of the band decided to start separate projects.