I have uploaded the music pack for the SV4.0
Sputnik's Music Pack Installer
This will install to your SicilianVespers mod folder. It contains original compositions and other music recordings of faction specific frontend, campaign and battle music for the forthcoming SV4.0 update. It is also compatible with SV3.3
Hope you enjoy
EDIT: Link above was dead. Removed it. Below you will find a link to Strategy Informer that allows small file uploads. The Music Pack has been added and is available for download.