The 61-year-old resurfaced at a coffee shop in NYC on Thursday, looking a little homeless.
In 2009, Robert somehow won Album of the Year at the Grammys for "Raising Sand" with Alison Krauss.
This summer, Robert will tour with a new group called Band of Joy.
Stairway to Heaven
5/14/2010 5:13 AM PDT BY TMZ STAFF
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