Just saw this thread. Great idea, Sandy!
Gesthemene (I Only Want to Say) from Jesus Christ Superstar (Listen to the original cast with Ian Gillan from Deep Purple as vocalist!)
The Seeker by The Who
Work Hard by Depeche Mode
Responsible by Cloud Cult
Gimme Some Truth by Sam Phillips (although it was written by John Lennon, Sam hits the right tone for me)
Angus Dei by Samuel Barber (from the album Angus Dei: Music of Inner Harmony)
A Question of Lust by Depeche Mode
Prayer of St. Francis by Sarah McLachlan
The Blues by Switchfoot
Sisyphus by Pink Floyd
+1-- the song I sang every night to all three of my kids for I don't know how many years. Spend My Life With You by Phil Keaggy