ran·dom (adjective)

1. without pattern - done, chosen, or occurring without an identifiable pattern, plan, system, or connection

Ten examples...

Buck Owens - Hello Trouble
Marvin Gaye - His Eyes Are On The Sparrow
Bill Chambers - I Drink
The Flying Burrito Brothers - Dark End Of The Street
Nick Lowe - House For Sale
Susan Tedeschi - Don't Think Twice, It's All Right
Atlanta Rhythm Section - So Into You
John Hartford - Back In The Goodle Days
Steve Forbert - Romeo's Tune
The Young Rascals - Groovin'