Henry Mancini: one of the all time greats. I have his book: "Sounds and Scores" which is pure gold for composers/arrangers/orchestrators such as yours truly. For example: he often used the french horns as a substitute for the saxophones within a jazz horn section, something which requires painstaking search for french horn players being able to play jazz articulations (which a purely classicaly trained musician cannot - against popular belief that jazz is "inferior" to classical music - which in fact it is not.)
Mancini was not just an ace and innovative musician - he also was a teacher.
Yep: John Williams started as a jazz pianist including a lot of work for Mancini. You can hear in his operatic compositions that he also knows jazz chord voicings - but I digress.
"Lujon" is a beautiful instrumental combining Nelson Riddle style arrangements (like the sweet violin melody in dense parallel voicing - meaning all voices have the exact same melody contour and articulation/dynamics) with a (then) edgy latin bolero rhythm.
Mancini was one of the pioneers which brought jazz and latin-american elements into film music. He really mastered these styles. Just listen to the middle section of the Pink Panther theme where the full big band blasts away: http://www.youtube.com/watch?v=9OPc7MRm4Y8
(go straight to 0:45 - there it is! I love this stuff to death!)
That of course shows that Mancini was in full command of the brilliant 1950/60s Count Basie/Neil Hefti big band sound. Here's a classic: Jerry Lewis "pantomiming" to "Blues in Hoss Flat" (of course Peter Griffin did that as well):http://www.youtube.com/watch?v=8MA3406YJUg&noredirect=1
I am lucky enough to have old early 70s books from Berklee College of Music where it is all explained in detail. Unfortunately this style of big band plus string section/french horn orchestra arranging isn't taught anymore at Berklee as it is considered obsolete. BUT you can hear it in the great homage of early '60s Doris Day Movies: "Down With Love" (2003). And of course in many of Michael Bublé tunes (whom I admire, but I am not a huge fan because it all has been done brilliantly by Sinatra and his buddies half a century ago).
Anyway: Mancini was one of the all time great musicians and he remains one of my idols.
Here is another fantasic Mancini classic, combining, jazz, latin rhythm and dramatic/romantic orchestra parts - just beautiful!: http://www.youtube.com/watch?v=ltnH36_yKQ0