From the PBS.org website:

"Vocalist Josh Groban highlights his 2006 CD, 'Awake', in a 2007 Salt Lake City concert, including 'Machine' and 'You Are Loved (Don't Give Up).'"

Check local listings for times, the dates begin June 26th, average time 10pm:

New York
New York, NY- July 17th @ 10:30pm on WNET 13

Houston
Houston, TX- July 19th @ 11:00pm on KHUT 8

Providence
Providence, RI- July 16th @ 10:00pm on WSBE 6

Wichita
Bunker Hill/Hays, KS- August 16th @ 11:00pm on KOOD 9
Lakin, KS- August 16th @ 11:00pm on KSWK 3
Dodge City, KS- August 16th @ 11:00pm on KDCK 21

Lewiston/Augusta
Portland/Biddefor, ME- August 9th @ 12:00am on WMEA 26

Urbana
Charleston, IL- July 19th @ 9:00pm on WEIU 51
Urbana, IL- July 19th @ 11:30pm on WILL 12