This ia my Reason Master Section combinator. This is how ensure consistent quality and loudness with every export.
 
Once you unzip the file you should be able to drag and drop the combinator into your sessions. 

Are these loops, kits, and beat session files royalty free?

The loops, kits, beat sessions on this site are royalty free for online beat leasing and small (under 1 million stream) releases. However, once a release has reached over 1 million streams, the loop must be cleared and the royalties / publishing will be split fairly