The Grammy Award-winning band shared that they had to pull out of two shows due to a 'critical illness' in the family.

Dave Matthews will be sitting out the FireAid and MusiCares benefit concerts due to a 'critical illness in the family.'

Singer was scheduled to perform with John Mayer for the first time at the FireAid concert on Jan. 30, followed by a Grateful Dead tribute at the MusiCares event on Jan. 31