Mambo or Tango?

For reasons I cannot pinpoint, these Latin-jazz influenced charts are selling like hotcakes.

 

» Click any image for more info «

 

Jazz ensemble

.  Mambo
.  Medium difficulty
.  4.5 minutes
.  optional alto, tenor, trombone, other solos
.  Trumpet 1:  written high B

.  Tango (with a bit of Cha-Cha-Cha)
.  Medium-Advanced
.  4:15 duration
.  Duet with Tenor and Accordion/Bb/Eb/BC soloist
.  Trumpet 1:  written high C (optional Ds & Es)

 
 

Jazz Combo

Mambo   .   Medium Difficulty

Tango   .   Medium Difficulty

 
 

Saxophone Quartet

 

SATB / AATB   .   Medium-Advanced   .   3 minutes