Complex sentence: On the 2 June, 2007, Therese, featuring "The Attic", performed with their hit single "The Arrival" on Sommarkrysset, which is a popular tv-show in Sweden that airs every summer.
Split into simpler sentences: On the 2 June, 2007, Therese, featuring "The Attic", performed with their hit single "The Arrival" on Sommarkrysset. Which is a popular tv-show in Sweden that airs every summer.