LYNDEN — Canadian rock legends The Guess Who and Christian music star Steven Curtis Chapman have been added to the entertainment lineup for the Northwest Washington Fair, to be held Aug. 12-17.

The Guess Who, founded in Winnipeg by Burton Cummings and Randy Bachman, had hits through the late 1960s and mid-'70s including "American Woman," "No Sugar Tonight" and "These Eyes." The band reunited in 2000 with original members Jim Kale and Garry Peterson joined by Derek Sharp, Leonard Shaw and Laurie McKenzie.

Chapman, one of the most accomplished singer-songwriters in Christian music history, has sold more than 10 million albums, won five Grammy Awards and 57 Dove Awards from the Gospel Music Association. His hits include "The Great Adventure," "For the Sake of the Call" and "Heaven in the Real World."

Fair officials earlier announced other acts. Here's the week's lineup:

• Tuesday, Aug. 13: Dwight Yoakam.

• Wednesday, Aug. 14: The Guess Who.

• Thursday, Aug. 15: Hunter Hayes.

• Friday, Aug. 16: Steven Curtis Chapman.

Tickets for The Guess Who, Chapman and Yoakam go on sale to the public at 9 a.m. April 4 at nwwafair.com. Tickets also will be available at the fair office, 1775 Front St., Lynden, and by phone at 877-699-FAIR.

Prices, which include gate admission to the fair, are $25 apiece for reserved grandstand seats and $35 for preferred seats at The Guess Who's performance; $33 for reserved seats and $43 for preferred seats for Chapman's show.