It's been almost 50 years (this September) that Lindsey Buckingham and Stevie Nicks released their cleverly titled debut (and only duet) disk: Buckingham Nicks.  Listen, everyone can't be clever, right? 
The album, considering the time and their actual experience, wasn't horrible. It has a few decent tracks, and one really good one, "Frozen Love", which is the song that Fleetwood Mac heard which got them into that band. 
I would go on record, that is shows off Buckinham's guitar work more than it does his or Nicks' songwriting / singing. And honestly, Buckingham was the one Fleetwood Mac hired, he just insisted she come along too.   ......so that is on him. 
Buckingham would even repeat a guitar riff from this disk that would end up being his guitar work on "the Chain". But you can't sue yourself for plagiarism, I suppose. 
But I'm picking one of Nicks' songs anyway: "Races are Run".  It's been a long time since she's had a voice like this - or a range.  See kids, smoking and drugs (and age) are horrible for your body - and your career.  
Stay in school!