<P> Corcoran also performed in Drake Bell's band, who have appeared on television on Regis and Kelly, Fox's New Years Celebration, Late Night with Conan O'Brien, and on the DVD Drake Bell Live in Concert (Universal / Motown), filmed live during Drake's multi-night sold out shows in Mexico, including their national stadium . He departed from the band in May 2010 . </P> <P> Corcoran also arranged the horn section with Zack Hexum for these concerts in Mexico, as stated on the credits of Drake Bell's in Concert DVD . </P> <P> In addition to his work with Drake Bell, Corcoran has composed and scored over 150 episodes of Nickelodeon programming including: Drake & Josh, Zoey 101, iCarly, and Victorious, including writing the theme songs for iCarly, Merry Christmas Drake & Josh, Drake & Josh Go Hollywood, Victorious (with Dr. Luke) and The Troop (Written and Produced by Backhouse Mike and The Super Chris). In 2013, he recorded the theme song for Sam & Cat titled "Just Fine". </P> <P> Corcoran also helped score and composed music for the recent "Twalkin"' commercial . </P>

Who sang the sam and cat theme song
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