"And even if you don't like Cara Dillon's timbre, at least she can sing in tune, whereas Rachel Unthank can't hit the proverbial cow's rear end with the proverbial banjo in the tuning department ...."

What song are you thinking of? Genuine question.

As you might have already guessed, it's not an album I keep on my iPod - but here's a link to The Bairns on Amazon - scroll down and preview 'Felton Lonnin' and 'Sea Song' for example.

Yes, somewhere in the semitone-plus slides on to and off of each note the singer does occasionally pass through being in tune with the piano and/or the rest of the band, but even a stopped clock is right twice a day ...