Complex sentence: Switzerland competed in the Eurovision Song Contest 2008 with the song "Era stupendo" by Paolo Meneguzzi, after he was announced to have been selected by the Swiss broadcaster, SRG SSR idée suisse, to sing for Switzerland in Belgrade, Serbia.
Split into simpler sentences: Switzerland competed in the Eurovision Song Contest 2008 with the song "Era stupendo" by Paolo Meneguzzi. Meneguzzi was selected by the Swiss broadcaster, SRG SSR idée suisse, to sing for Switzerland in Belgrade, Serbia.