Tomorrow is the big day for Prince William and his bride, Catherine “Kate” Middleton! William and Kate will finally tied the knot in a lavish royal ceremony at the Westminster Abbey in London, England after dating for more than seven years. The couple broke up for several months in 2007, but reconciled.

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William, the most eligible bachelor in the whole world, finally proposed to Kate and their engagement was officially announced on November 16, 2010. Kate will finally walk down the aisle tomorrow to the sound of the choral anthem “I Was Glad”.

William & Kate B&W Portrait: Royal Wedding Official Program

The music “I Was Glad” was composed by Sir Charles Hubert Hasting Parry, for the coronation of William’s 3-times great grandfather, Edward VII at Westminster Abbey back in 1902 (audio/video below).

WATCH: William & Kate Royal Wedding LIVE Stream (VIDEO)

Royal Wedding Music “I Was Glad” Video