\version "2.10.25"

tune = \relative c {
    \clef treble
    \key c \major

    \cadenzaOn
    <f c' g' d' a' e' b'>1 \bar "|"
    c'4 d e f g a b \bar "|"
    \cadenzaOff
}

#(set-global-staff-size 24)

\score {
    \new Staff \with { \remove Time_signature_engraver} { \tune }
    \layout { ragged-right = ##t }
}