This Is a Call toward the end of the summer in 1995. It was the band's first national television performance. Since this performance David Letterman has become an avid fan of the band and Foo Fighters have played on the show 11 times. "This Is a Call" was released as a downloadable content for the Rock Band series of video games on December 23, 2008. Dave Grohl said about the song: "The chorus says 'This is a call to all my past resignation'. It's just sort of like a little wave to all the people I ever played music with, people I've been friends
The Ghost of a Flea the work is in relatively poor condition, partly due to the technique employed by Blake. Areas of the surface have cracked and dulled with age. Although Blake was singular in his ability to directly transcribe visions onto canvas or paper, a number of visual and literary sources can be detected in this work. The art historian Hope Werness suggested that "The Flea" may be inspired by a 1665 work by early microscopist Robert Hooke (1635–1703), whose "Micrographia" includes a drawing of a flea microscopically observed. Comparisons have been made to Henry Fuseli's monstrous imps, while the image of the flea