Blood, Sweat & Tears was founded by Al Kooper around 1967, the next year they recorded an album "Child is father to the man".
Their sound was a mix of folk/rock/blues with some classic and jazzy elements.
You can visit my music blog here to have more info about this group and albums.
Here: http://madshoesmusicology.blogspot.com/search?q=Child+is+father+to+the+man
You also can hear it on this Youtube :
Great suggestion!!