Several former coaches also appeared to wish the nine-time champ well as he said goodbye after 23 seasons.
So how didThe Voicesend their nine-time winning coach off?
With a whole lot of oldVoicefriends.

Blake Shelton.Trae Patton/NBC
That’s not the only reason Adam’s around, of course.
He also showed up withMaroon 5to perform their new single “Middleground.”
The unlikely pair met and fell in love as coaches.

The Swon Brothers, Ian Flanigan, Dia Frampton, Xenia, Jermaine Paul, Cassadee Pope, Bryce Leatherwood, Todd Tilghman, Sundance Head, Craig Wayne Boyd, RaeLynn, Danielle Bradbery.Trae Patton/NBC
Seriously, a whole bunch of Team Blakers came out to make this moment special for their old coach.