Sax, Flute, and Clarinet seem to make logical sense in terms of keys. Oboe seems to be intentionally designed to be difficult to play.

Heh … I dunno. It doesn’t seem that crazy to me. But then I’ve been at this for an awfully long time. :-)

In celebration of Boston Pops Laureate Conductor John Williams’s 81st birthday on February 8, 2013, the Boston Pops is releasing a new live recording of the composer’s Oboe Concerto. Written for principal Pops oboist Keisuke Wakao, the Oboe Concerto is the latest John Williams work to showcase the talented musicians of the Boston Symphony and Boston Pops. The recording took place during the world premiere performance of the work at a Boston Pops concert at Symphony Hall on May 25, 2011.
Release: 1/29/2013
Duration: 00:18:34
Genre: Classical – Live Performance
Label: BSO Classics

Just go here to purchase the recording.