On 19 April 2021, Le Volume Courbe was a guest on NTS 10 Curated by My Bloody Valentine. Le Volume Courbe has been played on NTS over 10 times, featured on 13 episodes and was first played on 16 December 2012.

Le Volume Courbe (French for "volume curve") is a band by French-born, London-based singer/songwriter, Charlotte Marionneau. "Le Volume Courbe" was a name of a sculpture by a friend of Marionneau's.

In 2001, Le Volume Courbe released the "Harmony/Papillon De Nuit" 7" on the Poptones record label. In 2005, Marionneau recorded, I Killed My Best Friend with contributions from Kevin Shields, Colm Ó Cíosóig, Hope Sandoval, and David Roback among others. I Killed My Best Friend was first released on Honest Jon's and was then picked up by Astralwerks in 2006.

In 2008, Le Volume Courbe played a series of festivals and tour dates in Europe and the US, most notably, with the newly-reformed My Bloody Valentine. The touring lineup included Marionneau on vocals, Theodore Hall on guitar, Mel Draisey on violin, glockenspiel and percussion, and Wild Cat on drums.