Unfortunately this question has been closed as off-topic:
But the arrangements from Take 6 sound very special and interesting to me: I couldn’t identify at “first sight” the means of chord-technique that makes it sound so jazzy.
The album was critically acclaimed, receiving Grammy Awards in both the jazz and gospel categories. "In a diverse selection of songs, Take 6 merges an a cappella sound with gospel and big-band jazz arrangements... Their harmonies and melodies are consistent throughout this outstanding collection of songs," said Craig Lytle for AMG
Are these all seventh chords? And If yes, where are the 7ths lying?