the segment are not encrypted at all... here is the playlist i attached.. you can download each segment sepratley using direct link.....
Code:
streaming.itunesfestival.com/auth/eu1/vod/20140916/v1/8500_256/1012882_song1_7645.ts?token=expires=1411085701~access=/auth/*~md5=0413be32e567d83c130da9a0262f7c51
but ffmpeg not taking it dont know why may be some cookies issue but segmesnt directly downloaded by IDm.....