Complex sentence: "Heyr himna smiður" (Hark, Creator of the heaven) is probably the oldest psalm which is still sung today; it was composed by Kolbeinn Tumason in 1208.
Split into simpler sentences: Heyr himna smiður (Hark, Creator of the heaven) is probably the oldest psalm which is still sung today. It was composed by Kolbeinn Tumason in 1208.