Complex sentence: It was written and composed by Hirai, and arranged by Tomita Keichi, (just like Hirai's 17th single, "Ring.") Canvas has been described as a pop ballad.
Split into simpler sentences: It was written and composed by Hirai, and arranged by Tomita Keichi, (just like Hirai's 17th single, "Ring"). "Canvas" has been described as a pop ballad.