The piano mics fell on to the piano strings, that’s what the guitar sound was. It made it sound out of tune. Shit happens. X
— Adele (@Adele) 16 Février 2016
Source Article from http://lci.tf1.fr/people/grammy-awards-2016-les-malheurs-d-adele-8716236.html
source : MYTF1News – People
