NEED Corporate Holiday Party Themes

I`ve been asked to come up with different theme ideas for 2 large holiday events for a sizeable law firm. They host 2 events in different cities and have as many as 750 guests.

I`m hoping to get some ideas that have worked for others in the past and how you`ve carried those themes throughout the event...we`ve used "Sounds of the Season" for example and had a local HS choir perform...it was a huge hit.

A group of designers will create the material...once I give them a few ideas to run with.

Any thoughts and/or suggestions would be very much appreciated. Thank you! :)