One of my favorite songs and singers: Jason Mraz - life is wonderful
http://www.youtube.com/watch?v=7l74d1fmZbw
Jason Mraz -I Won't Give Up
http://www.youtube.com/watch?v=O1-4u9W-bns
Jason Mraz - Who's Thinking About You Now?
http://www.youtube.com/watch?v=gyo6JOI4ELc