Episode details
Radio 2,3 mins
'It's a bit dark' Justin Timberlake and Anna Kendrick on the 'Trolls' film
Dermot O'LearyAvailable for over a year
'When I write music for an album its done when its done. This was like 'The movies coming out now.....so we need the song...now.'' Justin Timberlake and Anna Kendrick reveal the songwriting process behind their new 'Trolls' musical film.
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