I don't know if they have always done this or if it's a new thing, but it was pleasing to read about:

"50. From the Pauline Chapel of the Apostolic Palace, where they will assemble at a suitable hour in the afternoon, the Cardinal electors, in choir dress and invoking the assistance of the Holy Spirit with the chant of the 'Veni Creator', will solemnly proceed to the Sistine Chapel of the Apostolic Palace, where the election will be held."

APOSTOLIC LETTER
GIVEN MOTU PROPRIO
NORMAS NONNULLAS
OF THE SUPREME PONTIFF
BENEDICT XVI
Given in Rome, at Saint Peter’s, on February 22, 2013, the eighth of my Pontificate.