Country singer also set to play Glastonbury
Norah Jones appears on country star's latest effort
Actor 'scraps' Canadian support slots with Willie Nelson following "mashed potatoes" comment
Willie Nelson's organisation donates to southern farmers
Cole suffers from illness
Country and jazz legends to release first album together
Country legend's biography and singles collection also on the way
Star will head to the UK in May
Plus New York Mayor Bloomberg gets in on the action
Son Volt, Drive By Truckers help celebrate US Independence Day