is an American animator, voice actor and composer who provided the narrations heard on the Tomorrowland Transit Authority PeopleMover
and Living with the Land
. Brassell also composed "Mount Bop
", the current on-ride theme for Space Mountain
at Walt Disney World
's Magic Kingdom
He started his career with the company at Walt Disney Feature Animation and composed music for Dream On Silly Dreamer and Magic Kingdom's Space Mountain.