Form a fantastic, swinging quartet with 3 colleague saxophone players! Or you may choose to use a Jazz Quartets book to form a combination & play together with other instruments, such as the trumpet. This will make the music sound really jazzy. Each piece is recorded on the CD 6 times. The first time you'll hear the combo & the 4 parts as a whole; then follow 4 versions in which respectively the 1st,2nd,3rd, & 4th parts have been left out; & finally, you'll hear a version with just the combo.