Complex sentence: In 2012, Vix released a single track titled "Sick" on March 14, and then a year later she released a sixth single titled "Speed Of Light", it was the second collaboration with Reeves Gabrels.
Split into simpler sentences: In 2012, Vix released a single track titled "Sick" on March 14. A year later she released a sixth single titled "Speed Of Light", her second collaboration with Reeves Gabrels.