hi elric-
while the logical answer would usually be "at the beginning",
that's not really true w/digital recording.
this doesn't have to be linear in any way, parts can be
added at any time, into any place in the song.
i tell most beginners (and longtime musicians)

to
think of it like legos that each have a musical phrase attached.
personally, i'd say dot should give us a few bars in an
agreed on key (A is always good), add some efx...think the intro to "end of the day" to the cym hit.
k