  This paper concerns a commutant lifting theorem and a Nevanlinna-Pick type
interpolation result in the setting of multipliers from vector-valued
Drury-Arveson space to a large class of vector-valued reproducing kernel
Hilbert spaces over the unit ball in $\mathbb{C}^n$. The special case of
reproducing kernel Hilbert spaces includes all natural examples of Hilbert
spaces like Hardy space, Bergman space and weighted Bergman spaces over the
unit ball.
