Complex sentence: Estonia will participate in the Eurovision Song Contest 2017 with the entry Verona written by Sven Lõhmus and performed by Koit Toome and Laura Põldvere.
Split into simpler sentences: Estonia will participate in the Eurovision Song Contest 2017 with the song "Verona" written by Sven Lõhmus. The song was performed by Koit Toome and Laura Põldvere.