Question: In regards to the album that had, according to Dave Grohl, his favourite song he has ever written, when was it released?
Sentence (from "These Days (Foo Fighters song)"): On August 18, 2012, the Foo Fighters performed "These Days" at Pukkelpop, as a tribute to the people who died or were injured there a year earlier, due to a violent thunderstorm that raged over the festival grounds.
Relevant evidence: No