David Cook Single – Light On – Released to iTunes Today 09/30/2008 mj santilli Uncategorized 465 David Cook’s single “Light On” is finally available on iTunes today! It’s featured on the front page of iTunes under “What We’re Listening To.” I downloaded mine. Yep, I did. “Light On” was written by Chris Cornell and Brian Howes. David Cook’s post Idol debut drops on November 18… Download “Light On” from iTunes Download “Light On’ from Amazon thanks for clicking the link and helping to support mjsbigblog