Install the following packages using apt-get, aptitude, or synaptic:
Required:
libqt3-dev
jackd
qjackctl
libsamplerate0
libsamplerate0-dev
Optional:
libmad0
libmad0-dev
libaudiofile-dev
libaudiofile0
libmpeg3-1
libmpeg3-dev
libid3-3.8.3-dev
ladspa-sdk
swh-plugins
tap-plugins
libxml2
libxml2-dev
Optional, but could not find official Debian packages for:
cdda_paranoia
parapin [for the control unit]