KQDI-FM (106.1 MHz, "Q106") is a radio station broadcasting an active rock format.
Licensed to Highwood, Montana, the station serves the Great Falls area.
The station went on the air as KARR-FM in 1964, changing to KOPR-FM on December 15 of that year.
It was acquired in 1977 by Sun River Broadcasting, owner of KQDI (1450 AM), and became easy listening KOOZ.
[5] The very first song played was Led Zeppelin's "Rock and Roll" (been a long time since I Rock and Rolled); the DJ was Great Falls' legendary Bob Pepper.