Complex sentence: The Gordon MacRae recording was recorded on October 21,1949 and released by Capitol Records as catalog number 777 with "Mule Train" on the flip side which MacRae recorded October 1,1949.
Split into simpler sentences: The Gordon MacRae recording was recorded on October 21,1949 and released by Capitol Records as catalog number 777. The flip side was "Mule Train," which MacRae recorded October 1,1949.