Carillon defines a carillon as "A musical instrument composed of tuned bronze bells which are played from a baton keyboard. Only those carillons having at least 23 bells may be taken into consideration." The Guild of Carillonneurs in North America (GCNA) defines a carillon as "a musical instrument consisting of at least two octaves of carillon bells arranged in chromatic series and played from a keyboard permitting control of expression through variation of touch. A carillon bell is a cast bronze cup-shaped bell whose partial tones are in such harmonious relationship to each other as to permit many such bells to
A Ghost Is Born the coda of "At Least That's What You Said". Tweedy refers to the guitar solo at the end of the track as a "musical transcription" of one of his panic attacks. "A Ghost Is Born" was recorded in a manner different from "Foxtrot" or 1999's "Summerteeth"; whereas those recordings were performed live in the studio and then overdubbed, "A Ghost Is Born" was first performed on Pro Tools and only played live once completed. Tweedy was excited about writing an album this way: An unusual feature of "A Ghost Is Born" is the fifteen-minute long track "Less Than You Think".