Frustrated at being at the studio for a prolonged period that day, Yorke " threw a wobbly " in his own description, after which Leckie sent the rest of the band away while Yorke recorded a guide track for " Fake Plastic Trees " featuring only guitar and the singer's vocals.
32.
The idea of a maglev train _ floating a centimeter or two in the air on a cushion of electromagnetic repulsion created between superconducting magnets in the train and coils in the guide track, and zipping along at speeds above 200 miles an hour without friction _ has been studied for decades.
33.
The second bonus track is an instrumental recording of " 21st Century Schizoid Man ", recorded at Morgan Studios in London on June 12, 1969 . Guitarist Robert Fripp has acknowledged that his solo on this version is " dismal in extremis ", though noting that it was intended only as a guide track ( and was subsequently replaced by a " proper " solo ).
34.
In addition to a core lineup of musicians playing rock instruments, the recording also features contributions from the Methodist Central Hall Pipe Organ, which were arranged and conducted by frequent collaborator Brian Gascoigne . " Tilt " is also notable for being a now-rare instance of a contemporary musical recording which was actually recorded live in the studio without the enhancement of any electronic sample-based synthesis or guide tracks.
