I never really was a Santana fan.  I like some of their songs and definitely can appreciate his masterful guitar playing, but I was curious enough about this effort to buy it.  My curiosity started when I heard that  Dave Matthews contributed to a song.  Being a huge DMB fan, I started  thinking about it.  Then I heard "Smooth".  That sealed it for  me.  I have been so sick of Matchbox 20 for the last year that I didn't  really care if they ever recorded anything else or not.  Now I'm thinking  that Rob Thomas should leave the band and go solo if he can do stuff like  this!  His voice and Carlos' guitar are a perfect mix!  Other favorites are  Everlasts' "Put your lights on" (another big surprise),  "Migra", "Maria Maria", "Primavera",  "The Calling" and of course "Love of My Life".  The  Lauren Hill song is the only one that annoys me (it would have been better  to include on her CD with Carlos guesting).  This whole CD brings light  into a world that was rapidly becoming a musical void.  It transcends  style, age, race, and culture to provide a truly positive musical  experience.