Before Chris Horvath jumped on board for "Song Beneath the Song," the executives over at ABC had vehemently opposed any suggestion of a "Grey's" musical. In fact, then-showrunner Shonda Rhimes had planned to have a "Grey's" musical since the show's premiere but had never made any headway with the ABC suits. However, once Chris Horvath became involved, it became obvious that he would bring style and substance to the proceedings.

In addition to working on music for "Erin Brockovich" and "National Lampoon's Gold Diggers," Horvath had composed themes for Toon Disney, as well as multiple brands. He had also worked on music for "Alias" and "Samantha Who." At various points in his career, he also worked on themes for the NBA, NFL, and Nascar, and arranged songs for the "Voice."

Muchof this background information was divulged in a behind-the-scenes clip for "Grey's Anatomy" Season 7; however, the connection between "Grey's Anatomy" and "Scrubs" remains a surprising one. Still, at least fans know whom to thank now.

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Grey's Anatomy & Scrubs Share A Musical Link (& You've Heard His ... - Looper