Six groups took the stage for a second time, but only five survived the night.

Also impressive was the green-clad Vocal Point tenor, whose effortless belting made the whole song soar.

And then it was time to kick off the individual group (an appropriate oxymoron) performances.

The Sing-Off

Credit: Lewis Jacobs/NBC

), and because of their high tenor ratio, I felt like they lacked a solid bass sound.

Still, by the time they reached the high-pitched Pick it up up up!

Still, Delilah brings a competitive intensity to the stage which makes me respect them a lot.

Rapapella implies a group that performsrapsongs, not just pop songs that happen to have a rap verse!

), took to the stage with the most overplayed song of 2010.

The first soloist had me wincingdue to some strange singing technique, he sounded like will.i.am without any auto-tune.

By the time the chorus had rolled around, though, the Yellow Jackets had won me back completely.

Basically, they went crazy with choreography.

Resident cherub Aaron added some exciting belting to the finale, and I was sold.

To me, that is what a cappella is all about: FUN!

The practice definitely helped.

The group added exciting syncopation (Money…money money!

Speaking of efficiency, lets drill through these next six performances quickly.

(A recappers gotta sleep sometime!)

(But not to Nick!

Man, it really is getting hot in here… Dare I say, 98 degrees?

)B

Urban Method Dance to the Music by Sly and the Family Stone

Finally!

An Urban Method performance I can get behind.

Thats basically what you’re gonna wanna know about this performance.

He showcased his pliable instrument while the rest of his group literally sang backup.

All six groups took the stage, and Nick deemed them each safe one-by-one.

Vocal Point, Urban Method, Yellow Jackets, and Afro-Blue were all through to the next round.

That left Delilah and Kinfolk 9 up for elimination.

Whether they were actually the bottom two was unclear.

The group that went home was….

…Kinfolk 9.

The swan songs on this show are always so much fun.

You know what else is fun?

Rounding up Nick Lacheys best puns!

Get ready everyonethis is PunWatch!

Alright, here are last nights punny gems:

Will they give the judges what theywant?

introducing Delilahs Whataya Want From Me?

Now Urban Method is trying toraptheir way to the top and prove that theres amethodto their madness.

self-explanatory

The Yellow Jackets gave a stirring performance, sending awaveof emotion that moved the judges.

on their performance of Wavin Flag

Heatwave lackeddepth, and left themcold.

I get the temperature pun, but is that another wave pun as well?

And for moreSing-Offmusings throughout the week, find me onTwitterandGoogle+!