International Standard Book Number in 1965, has – 340 indicating the publisher, 01381 their serial number, and 8 being the check digit. This can be converted to ; the check digit does not need to be re-calculated. Since 1 January 2007, ISBNs have contained 13 digits, a format that is compatible with "Bookland" European Article Number EAN-13s. An ISBN is assigned to each edition and variation (except reprintings) of a book. For example, an ebook, a paperback, and a hardcover edition of the same book would each have a different ISBN. The ISBN is 13 digits long if assigned on or after 1 January
Grey Cloudy Lies and so replaced it with a bass part he performed himself on Moog synthesizer. The song also features ARP synthesizer extensively, played by Harrison. Dated 23 June, the album's master-reel tracking sheet lists separate ARP horn, string and "growl" tracks on "Grey Cloudy Lies", in addition to handclaps. The dominance of keyboards on the recording, particularly ARP synthesizer, was typical of Harrison's choice of instrumentation on "Extra Texture" and contrasts with what Rodriguez terms "the standard guitar-drenched Harrison sound". In his comments to Gambaccini, Harrison said that he purposefully left space in the arrangement for this and other songs on