Complex sentence: In 2015, GMA Network created "To The Top"-its first ever multi-platform boy band competition in the Philippines, inviting talented male singers from different school organizations nationwide to form the newest boy band sensation.
Split into simpler sentences: In 2015, GMA Network created "To The Top", the Philippines' first multi-platform boy band competition. The competition invited talented male singers from different school organizations nationwide to form the newest boy band sensation.