Here are some of this weekend's concerts, with the Utah State Fair in full swing:

Olivia Newton-John
The Sandy Amphitheater presents Grammy-Award winning singer Olivia Newton-John for a night of hits spanning 40 years.
When • Tonight at 8
Where • Sandy Amphitheater, 9400 S. 1300 East, Sandy
Tickets • $30-$49 at SmithsTix

Jars of Clay
Jars of Clay, a Christian band, will perform spiritually themed rock songs at this Utah State Fair concert.
When • Saturday, 7:30 p.m.
Where • Utah State Fairpark, 155 N. 1000 West , Salt Lake City
Tickets • $10 at www.utahstatefair.com/concerts

Rockin’ the Decades
This show features a fast-paced stage show that aims to bring to life the history of rock and popular music.
When • Saturday, 8 p.m.
Where • Sandy Amphitheater, 9400 S. 1300 East, Sandy
Tickets • $10-$14 at SmithsTix

Country Joe McDonald
The Egyptian Theatre hosts the centennial celebration of iconic folk singer Woody Guthrie with a performance by Country Joe McDonald.
When • Saturday, 8 p.m.
Where • Egyptian Theatre, 328 Main St., Park City
Tickets • $18-$40 at parkcityshows.com