That version, much like the version in this thread, is crap. The REAL version, which is better on a grand scale, can be had if you knew the right person working for the Blazers (which I did years ago).
http://www.ventones.com/free-ringtone-MpQI7sEs-Portland-Trailblazer-Blazer-Trumpets-ringtone.html http://theunpreparedfather.com/portland-trailblazers-classic-ringtone/