The [tag]Foo Fighters[/tag] were supposed to be relaxing this year after releasing a monster double album (In Your Honor) and touring almost every corner of the planet in 2005. Instead, frontman Dave Grohl and drummer Taylor Hawkins find themselves on a promotional tour supporting the new Foos’ record, Echoes, Silence, Patience & Grace which is in stores. “We started demo-ing music and we were coming up with some really great ideas and, honestly, at this…