The Manhattan Transfer and Take 6

Spend an unforgettable evening grooving to innovative arrangements of jazz, pop, swing, gospel and R&B songs sung in impeccable harmony. With 20 Grammy Awards between them, the Manhattan Transfer and Take 6 are two of the most legendary groups in a cappella history.
"There's a reason Take 6 has thrived as long as it has: This group still does some things that no one else in its field can touch." —The New York Times