There may be a bromance emerging between the guys in Mumford & Sons and Blink-182 bassist Mark Hoppus. Just a few days ago, the musicians united onstage for a unique Cover of the Eurythmics' "Sweet Dreams" and just when fans thought the bonding was a one-night-event, they reconvened for a private, nighttime gig on August 23. Rage Against the Machine front man Tom Morello also joined forces with Mumford and Hoppus for a rendition of Blink-182's staple hit, "What's My Age Again?"