This is not for sale, and is intended for educational purposes only.
This is your basic head arrangement to do with as you see fit.
♫ Listen to a live version of this arrangement with Rich Willey on trumpet, Eric Glazier on alto sax, Matt Olson on tenor sax, Richard Shulman on piano, Shannon Hoover on bass, and Jeff Hook on drums (this is a board mix from the PA system, certainly not a studio-quality mix):
Serenity is © 1964 Groove Music Co., BMI.
Flextet means there are parts as follows:
Trumpet 1 or Alto Sax 1
Alto Sax 2 or Tenor Sax 2
Tenor Sax 3 or Trombone 3
Piano / Bass / Drums (lead sheet)