…you have to use a \score inside a \markup construction for every line.
…701 \paper { tagline = ##f } %here starts the snippet: \markup { \fill-line { \score { \relative c' { c4 d e f \… …Time_signature_engraver } \relative c' { g2 f } \layout {} } } } \markup { \fill-line { \score { \new Staff \with { \remove Time_signature_… …d e f g a b a } \layout {} } } } \markup { \fill-line { \score { \new Staff \with { \remove Time_signature_…