Hypergrowth seems to be in this firm‰Ûªs DNA; after being named Canada‰Ûªs Fastest-Growing Company in 2011 and No. 2 in 2012, its growth rate remains in overdrive. More than 800 retail chains around the world‰ÛÓMcDonald‰Ûªs is a big client‰ÛÓuse its background music, signage and ‰ÛÏscent media‰Û to increase point-of-purchase sales. And for good reason: the company boasts the largest catalogue of licensed in-store music in the world, with seven million tracks at its disposal. That, combined with an aggressive approach to acquisitions (the firm bought industry mainstay Muzak in 2011) and a less expensive pricing structure that customers love, has been Mood Media‰Ûªs ticket to the top.