1:56 PM PT -- Biz Markie's celebration of life is just now wrapping up, and as expected ...
Tara Davis delivered some heartfelt remarks during the memorial, and actually made a stunning revelation about who sent her condolences in the wake of Biz's death -- none other than the Obamas themselves wrote a letter expressing their sorrow, she says.
Biz Markie is being honored in the wake of his death -- with friends, family and loved ones coming out to speak on his behalf in a major celebration of life ...
It's unclear if any of them will actually deliver remarks.