Prior to My Darling Clementine, Lou Dalgleish worked with Bryan Ferry, Steven Spielberg and The Brodsky Quartet.

In 2001 Dalgleish wrote and appeared in the play "They Call Her Natasha", a story of obsession and infatuation, based around a series of Elvis Costello songs, which was first performed at the Edinburgh Festival.

The instrumental touring band of My Darling Clementine has gathered together renowned British rock, country and blues musicians as guitarist Martin Belmont (Graham Parker & The Rumour, Nick Lowe, Elvis Costello, Ducks Deluxe), keyboardist Liam Grundy (Scotty Moore, James Burton), Bassist Kevin Foster (Jackie Leven, Ducks Deluxe, Los Pistoleros, Doll by Doll), drummer Neil Bullock (Chuck Berry, Ronnie Scott, Broadcast) and Pedal Steel guitarist Alan Cook (Chris Hillman, The Charlatans, Jackie Leven).

[22] In 2017 they released the soul and gospel influenced album Still Testifying [23][24][25] Re-uniting with producer Neil Brockbank and the majority of musicians who appeared on the band's debut album including Martin Belmont, Geraint Watkins, Bob Loveday and newly added horn players Matt Holland, Nick Pentelow and Andy Wood.

My Darling Clementine are influenced by the great American country duos from the 1960s and 1970s like Tammy Wynette and George Jones, or Johnny Cash and June Carter.