Artists who headlined Glastonbury had the biggest sales boost of the summer with an average increase of 536% in MP3 download and CD album sales on Amazon.co.uk.

Glastonbury, broadcast across several BBC channels, had nearly five times that of Reading & Leeds Festival which was broadcast on BBC3 – and with over three quarters of the top 30 biggest sales uplifts over the course of the summer. 

Example saw a 2538% sales uplift on copies of his Playing In The ...