28 days later theme/In A Heartbeat – Proof of Boredom (Cover/Remix) Jul 8, 2015 Cover 28, Cover 28 Days, Cover Alt. Rock, Cover Alternative, Cover Days, Cover Heartbeat, Extremist Makeover, Stealing Chairs, Like 0 Thanks! You've already liked this « In The House – In A Heartbeat : 28 Days Later Cover » In The House In A Heartbeat cover – 28 days later