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 Scott (1811–1890) on the inside back cover of the Blake-Varley Sketchbook which reads, "I have since getting this book [in 1870], bought the painting of the "Ghost" of the Flea, from Mr Varley of Oakley St. Chelsea, son of John Varley". On July 14, 1892 it was sold at Sotheby's to W. Graham Robertson for £10.50. It was first exhibited at Carfax, Oxford, in 1906. In preparation for this showing, the panel was partially cleaned of dust. It was further treated when the exhibition ended by Stanley Littlejohn (1877–1917), who, in the words of the Blake collector W. Graham Robertson,