Warm weather may be taking its time arriving here, but the end of the summer concert season just heated up. The Allegan County Fair has announced Pentatonix and now, 5 Seconds of Summer will be among the music acts at the 2018 Fair.

Getty Images

Pentatonix, the Texas-based a cappella band that won NBC's Sing-Off competition will be performing September 9th. Tickets have been on sale since early March.  They do a mix of harmonic cover versions of popular songs and Christmas music.

Getty Images for iHeartMedia

Performing on Friday, September 7th will be boy band 5 Seconds of Summer. Tickets for that show go on sale Friday, April 13th. The band has been more successful outside the U.S., but has a sizable female following, especially with the social media help lent by members of One Direction.

BONUS VIDEO